Cybersecurity articles tagged #Microsoft on RuntimeRebel.https://runtimerebel.comhttps://runtimerebel.com/blog/microsoft-removes-wmic-tool-in-windows-11-to-curb-living-off-the-land-tacticshttps://runtimerebel.com/blog/microsoft-removes-wmic-tool-in-windows-11-to-curb-living-off-the-land-tacticsMicrosoft removes the legacy WMIC tool from Windows 11 builds to disrupt living-off-the-land techniques used by ransomware and malware.Tue, 18 Aug 2026 08:25:06 GMTMicrosoftWindows 11RansomwareMalwareLiving-off-the-Landhttps://runtimerebel.com/blog/cve-2026-68820-windows-afd-sys-privilege-escalation-exploitedhttps://runtimerebel.com/blog/cve-2026-68820-windows-afd-sys-privilege-escalation-exploitedMicrosoft addresses 398 vulnerabilities, including an actively exploited privilege escalation flaw in Windows' afd.sys component.Wed, 12 Aug 2026 01:06:41 GMTMicrosoftWindowsPrivilege EscalationZero-DayCVE-2026-68820https://runtimerebel.com/blog/microsoft-apple-patch-critical-rces-and-auth-bypass-flawshttps://runtimerebel.com/blog/microsoft-apple-patch-critical-rces-and-auth-bypass-flawsMicrosoft released patches for critical-severity RCE and EoP flaws across Active Directory, Azure, and Teams. Apple fixed a Screen Sharing authentication bypass.Sun, 09 Aug 2026 08:32:17 GMTMicrosoftAppleVulnerabilitiesRCEAuthentication Bypasshttps://runtimerebel.com/blog/microsoft-secure-boot-bypass-via-vulnerable-shims-remediation-guidehttps://runtimerebel.com/blog/microsoft-secure-boot-bypass-via-vulnerable-shims-remediation-guideAn analysis of a decade-long vulnerability in Microsoft Secure Boot. Learn how vulnerable Linux shims allow attackers to bypass UEFI firmware protections.Wed, 29 Jul 2026 14:14:44 GMTMicrosoftSecure BootUEFIShimESEThttps://runtimerebel.com/blog/cve-2024-49019-certighost-ad-cs-privilege-escalation-explainedhttps://runtimerebel.com/blog/cve-2024-49019-certighost-ad-cs-privilege-escalation-explainedAnalysis of CVE-2024-49019, the Certighost flaw in Microsoft AD CS. Learn how misconfigured certificate templates allow full Active Directory compromise.Tue, 28 Jul 2026 17:37:56 GMTCVE-2024-49019CertighostActive Directory Certificate ServicesPrivilege EscalationMicrosofthttps://runtimerebel.com/blog/microsoft-mai-cyber-1-flash-performance-analysis-of-security-llmhttps://runtimerebel.com/blog/microsoft-mai-cyber-1-flash-performance-analysis-of-security-llmMicrosoft introduces MAI-Cyber-1-Flash, its first specialized cybersecurity AI model, outperforming competitors in CyberGym benchmark testing.Tue, 28 Jul 2026 14:11:15 GMTMicrosoftMAI Cyber 1 FlashCyberGymArtificial IntelligenceLLMhttps://runtimerebel.com/blog/microsoft-mdash-update-mai-cyber-1-flash-achieves-95-95-accuracyhttps://runtimerebel.com/blog/microsoft-mdash-update-mai-cyber-1-flash-achieves-95-95-accuracyMicrosoft announces MAI-Cyber-1-Flash for its MDASH harness, delivering 95.95% vulnerability remediation accuracy at half the previous operational cost.Tue, 28 Jul 2026 06:28:35 GMTMicrosoftMDASHMAI Cyber 1 FlashVulnerability ManagementArtificial Intelligencehttps://runtimerebel.com/blog/cve-2026-50522-sharepoint-rce-exploitation-to-steal-machine-keyshttps://runtimerebel.com/blog/cve-2026-50522-sharepoint-rce-exploitation-to-steal-machine-keysCritical CVE-2026-50522 in Microsoft SharePoint is actively exploited to steal machine keys, enabling persistent access. Understand the threat and mitigation.Tue, 21 Jul 2026 21:12:05 GMTCVE-2026-50522SharePointRCEMachine KeysPersistenceMicrosofthttps://runtimerebel.com/blog/wsus-sync-delays-timeouts-microsoft-s-manual-fix-guidancehttps://runtimerebel.com/blog/wsus-sync-delays-timeouts-microsoft-s-manual-fix-guidanceMicrosoft provides manual steps to resolve persistent sync delays and timeouts impacting Windows Server Update Services (WSUS) deployments, affecting Windows Update…Tue, 21 Jul 2026 10:40:42 GMTWSUSMicrosoftWindows Server Update ServicesPatch ManagementSystem Managementhttps://runtimerebel.com/blog/microsoft-investigates-wsus-server-synchronization-timeout-errorshttps://runtimerebel.com/blog/microsoft-investigates-wsus-server-synchronization-timeout-errorsMicrosoft confirms technical issues causing WSUS synchronization delays and timeouts. Learn how this affects enterprise patch management and security.Mon, 20 Jul 2026 10:56:29 GMTWSUSWindows Server Update ServicesMicrosoftPatch ManagementIT Operationshttps://runtimerebel.com/blog/acr-stealer-campaign-targets-microsoft-enterprise-credentialshttps://runtimerebel.com/blog/acr-stealer-campaign-targets-microsoft-enterprise-credentialsMicrosoft warns of a surge in ACR Stealer attacks targeting browser credentials and session tokens to bypass multi-factor authentication in enterprise environments.Sat, 18 Jul 2026 16:59:16 GMTACR StealerInfostealerMicrosoftCredential Thefthttps://runtimerebel.com/blog/cve-2026-58644-sharepoint-rce-zero-day-exploited-in-the-wildhttps://runtimerebel.com/blog/cve-2026-58644-sharepoint-rce-zero-day-exploited-in-the-wildCISA adds CVE-2026-58644, a critical Microsoft SharePoint Server deserialization RCE vulnerability with a CVSS 9.8, to its Known Exploited Vulnerabilities catalog.Fri, 17 Jul 2026 09:58:24 GMTCVE-2026-58644SharePointMicrosoftCISA KEVRCEhttps://runtimerebel.com/blog/microsoft-april-2024-patch-tuesday-analysis-three-zero-days-patchedhttps://runtimerebel.com/blog/microsoft-april-2024-patch-tuesday-analysis-three-zero-days-patchedAnalysis of Microsoft's April 2024 Patch Tuesday featuring 147 CVEs, including critical zero-days CVE-2024-26234 and CVE-2024-29988. Mitigation guide for SOCs.Wed, 15 Jul 2026 10:09:10 GMTCVE-2024-26234CVE-2024-29988MicrosoftPatch TuesdayZero-Dayhttps://runtimerebel.com/blog/windows-11-compatibility-hold-for-dell-devices-mitigation-guidehttps://runtimerebel.com/blog/windows-11-compatibility-hold-for-dell-devices-mitigation-guideMicrosoft blocks October 2024 Windows 11 updates for specific Dell hardware due to kernel-level conflicts causing spontaneous shutdowns and performance loss.Wed, 15 Jul 2026 10:06:06 GMTMicrosoftDellWindows 11StabilityPatch Managementhttps://runtimerebel.com/blog/microsoft-patch-tuesday-addressing-570-security-flawshttps://runtimerebel.com/blog/microsoft-patch-tuesday-addressing-570-security-flawsMicrosoft released updates for a record 570 security flaws in Windows and other software, with AI aiding discovery. Learn the impact and mitigation.Wed, 15 Jul 2026 06:16:23 GMTMicrosoftPatch TuesdayVulnerability ManagementSoftware UpdatesAIWindows Securityhttps://runtimerebel.com/blog/microsoft-zero-days-active-directory-sharepoint-exploitedhttps://runtimerebel.com/blog/microsoft-zero-days-active-directory-sharepoint-exploitedMicrosoft addresses 622 vulnerabilities, including two actively exploited zero-days in Active Directory and SharePoint Server.Wed, 15 Jul 2026 02:35:14 GMTMicrosoftActive DirectorySharePoint ServerZero-DayPatch TuesdayVulnerabilityhttps://runtimerebel.com/blog/microsoft-patches-record-622-flaws-and-two-zero-days-patch-nowhttps://runtimerebel.com/blog/microsoft-patches-record-622-flaws-and-two-zero-days-patch-nowMicrosoft releases its largest Patch Tuesday ever, addressing 622 vulnerabilities and two zero-days under active attack. Analyze the security impact here.Tue, 14 Jul 2026 21:01:48 GMTMicrosoftPatch TuesdayZero-DayWindows SecurityRCEPrivilege Escalationhttps://runtimerebel.com/blog/windows-defender-rogueplanet-zero-day-threat-patch-nowhttps://runtimerebel.com/blog/windows-defender-rogueplanet-zero-day-threat-patch-nowMicrosoft addresses the 'RoguePlanet' Windows Defender zero-day, with a PoC released by researcher Nightmare-Eclipse. Patching is critical.Thu, 09 Jul 2026 21:32:54 GMTWindows DefenderZero-DayRoguePlanetNightmare EclipsePoCMicrosofthttps://runtimerebel.com/blog/gigawiper-windows-backdoor-analysis-disk-wiping-fake-ransomwarehttps://runtimerebel.com/blog/gigawiper-windows-backdoor-analysis-disk-wiping-fake-ransomwareRuntime Rebel analyzes GigaWiper, a destructive Windows backdoor identified by Microsoft, bundling disk wiping, fake ransomware, and spyware capabilities.Thu, 09 Jul 2026 21:32:34 GMTGigaWiperWindows BackdoorDisk WiperFake RansomwareData DestructionMicrosofthttps://runtimerebel.com/blog/microsoft-introduces-windows-11-cloud-rebuild-recovery-featurehttps://runtimerebel.com/blog/microsoft-introduces-windows-11-cloud-rebuild-recovery-featureMicrosoft is testing the new Cloud Rebuild recovery feature for Windows 11 Insider Preview, offering a streamlined, cloud-based OS reinstallation option.Tue, 07 Jul 2026 07:47:07 GMTWindows 11Cloud RebuildSystem RecoveryMicrosoftInsider Previewhttps://runtimerebel.com/blog/windows-11-emoji-panel-gif-fix-highlights-supply-chain-dependencyhttps://runtimerebel.com/blog/windows-11-emoji-panel-gif-fix-highlights-supply-chain-dependencyMicrosoft resolves Windows 11 Emoji Panel GIF functionality after provider shutdown, underscoring third-party service dependencies in OS features.Wed, 01 Jul 2026 13:05:33 GMTWindows 11Emoji PanelGIFMicrosoftService DisruptionSupply Chain Dependencyhttps://runtimerebel.com/blog/microsoft-s-post-quantum-cryptography-acceleration-a-2029-shifthttps://runtimerebel.com/blog/microsoft-s-post-quantum-cryptography-acceleration-a-2029-shiftMicrosoft accelerates its post-quantum cryptography (PQC) timeline to 2029, urging security professionals to assess current encryption standards and prepare for…Wed, 01 Jul 2026 13:04:40 GMTPost Quantum CryptographyPQCQuantum ComputingMicrosoftEncryptionCryptography RoadmapQuantum Safehttps://runtimerebel.com/blog/ai-agents-vulnerable-to-data-leak-via-poisoned-mcp-toolshttps://runtimerebel.com/blog/ai-agents-vulnerable-to-data-leak-via-poisoned-mcp-toolsMicrosoft warns that malicious tool descriptions for AI agents can lead to stealthy data exfiltration, bypassing security controls by mimicking routine actions.Wed, 01 Jul 2026 01:02:51 GMTAI AgentsData ExfiltrationSupply Chain AttackMicrosoftPrompt Injectionhttps://runtimerebel.com/blog/windows-10-esu-extended-to-2027-security-implicationshttps://runtimerebel.com/blog/windows-10-esu-extended-to-2027-security-implicationsMicrosoft extends free Windows 10 Extended Security Updates (ESU) for consumers until October 2027. Understand the security implications and planning for end-of-life.Thu, 25 Jun 2026 20:47:57 GMTWindows 10ESUMicrosoftEnd of LifeSecurity Updateshttps://runtimerebel.com/blog/amadey-stealc-malware-c2-infrastructure-disruptedhttps://runtimerebel.com/blog/amadey-stealc-malware-c2-infrastructure-disruptedMicrosoft and global allies dismantle the shared C2 infrastructure of Amadey botnet and StealC info-stealer malware, disrupting ongoing cybercrime operations.Wed, 24 Jun 2026 16:52:14 GMTAmadeyStealCMalwareBotnetInfostealerCybercrimeC2 TakedownMicrosofthttps://runtimerebel.com/blog/microsoft-autogen-studio-rce-via-autojack-flaw-patch-nowhttps://runtimerebel.com/blog/microsoft-autogen-studio-rce-via-autojack-flaw-patch-nowMicrosoft patched the AutoJack vulnerability chain in AutoGen Studio, enabling remote code execution through malicious AI agent manipulation.Mon, 22 Jun 2026 17:37:07 GMTAutoGen StudioAutoJackMicrosoftRCEAI Securityhttps://runtimerebel.com/blog/microsoft-resolves-windows-update-failures-with-wusa-via-network-sharehttps://runtimerebel.com/blog/microsoft-resolves-windows-update-failures-with-wusa-via-network-shareMicrosoft has fixed an issue causing Windows updates released since May 2024 to fail when installed via the WUSA installer from a network share.Fri, 12 Jun 2026 13:19:59 GMTWindows UpdateWUSAMicrosoftPatch ManagementNetwork Sharehttps://runtimerebel.com/blog/june-2026-patch-tuesday-microsoft-fixes-200-flaws-patch-nowhttps://runtimerebel.com/blog/june-2026-patch-tuesday-microsoft-fixes-200-flaws-patch-nowMicrosoft’s June 2026 Patch Tuesday addresses a record-breaking 200 vulnerabilities, including 36 critical flaws and several with public exploit code.Thu, 11 Jun 2026 09:40:38 GMTMicrosoftPatch TuesdayWindows SecurityRCEExploit Codehttps://runtimerebel.com/blog/windows-server-2025-bitlocker-recovery-bug-mitigation-guidehttps://runtimerebel.com/blog/windows-server-2025-bitlocker-recovery-bug-mitigation-guideMicrosoft resolves a Windows Server 2025 bug causing systems to boot into BitLocker recovery modes following recent security updates. Patching guidance inside.Thu, 11 Jun 2026 09:37:45 GMTWindows Server 2025BitLockerMicrosoftBoot LoopKB5041160https://runtimerebel.com/blog/github-supply-chain-disruption-microsoft-repos-abused-to-host-malwarehttps://runtimerebel.com/blog/github-supply-chain-disruption-microsoft-repos-abused-to-host-malwareGitHub recently disabled 73 official Microsoft repositories after they were targeted in a massive campaign pushing password-stealing malware to developers.Tue, 09 Jun 2026 17:00:46 GMTGitHubMicrosoftSupply Chain AttackInfostealerDevSecOpshttps://runtimerebel.com/blog/miasma-compromises-73-microsoft-github-repos-incident-analysishttps://runtimerebel.com/blog/miasma-compromises-73-microsoft-github-repos-incident-analysisMicrosoft restores some GitHub repositories after 73 projects were hit by Miasma's supply chain attack to inject information stealers. Learn detection steps.Tue, 09 Jun 2026 17:00:07 GMTGitHubMiasmaMicrosoftSupply Chain AttackInformation StealerOpen Source Securityhttps://runtimerebel.com/blog/vs-code-extension-auto-update-delay-mitigating-supply-chain-attackshttps://runtimerebel.com/blog/vs-code-extension-auto-update-delay-mitigating-supply-chain-attacksMicrosoft introduces a two-hour delay for VS Code extension auto-updates to prevent rapid compromise during software supply chain attacks.Mon, 08 Jun 2026 09:44:07 GMTVisual Studio CodeMicrosoftSupply Chain SecurityIDE Extensionshttps://runtimerebel.com/blog/microsoft-intelligent-terminal-ai-integration-and-security-riskshttps://runtimerebel.com/blog/microsoft-intelligent-terminal-ai-integration-and-security-risksAn analysis of Microsoft's Intelligent Terminal fork. Explore technical architecture, LLM data privacy risks, and securing AI-integrated terminal environments.Mon, 08 Jun 2026 01:03:44 GMTMicrosoftWindows TerminalArtificial IntelligenceLLM SecurityIntelligent Terminalhttps://runtimerebel.com/blog/microsoft-rust-based-coreutils-for-windows-security-analysishttps://runtimerebel.com/blog/microsoft-rust-based-coreutils-for-windows-security-analysisMicrosoft is adopting Rust-based Coreutils for Windows, offering a memory-safe alternative to legacy GnuWin32 tools. Learn about the security implications.Thu, 04 Jun 2026 09:27:24 GMTMicrosoftRustCoreutilsMemory SafetyWindows Securityhttps://runtimerebel.com/blog/microsoft-coreutils-for-windows-security-and-memory-safety-analysishttps://runtimerebel.com/blog/microsoft-coreutils-for-windows-security-and-memory-safety-analysisMicrosoft introduces native Linux Coreutils for Windows via Rust. Analyze the security impact, memory safety benefits, and potential living-off-the-land risks.Wed, 03 Jun 2026 01:09:39 GMTMicrosoftCoreutilsRustWindows SecurityLiving-off-the-Landhttps://runtimerebel.com/blog/misconfigured-msal-for-android-exposes-microsoft-account-tokenshttps://runtimerebel.com/blog/misconfigured-msal-for-android-exposes-microsoft-account-tokensA vulnerability in the Microsoft Authentication Library for Android allowed unauthorized apps to intercept OAuth tokens, impacting billions of users.Tue, 02 Jun 2026 17:39:32 GMTMicrosoftAndroid SecurityMsalToken TheftIdentity Managementhttps://runtimerebel.com/blog/microsoft-s-zero-day-disclosure-stance-sparks-industry-debatehttps://runtimerebel.com/blog/microsoft-s-zero-day-disclosure-stance-sparks-industry-debateMicrosoft's legal threats against a researcher for Zero-Day exploit disclosure spark industry backlash, prompting scrutiny of responsible disclosure practices.Tue, 02 Jun 2026 05:41:09 GMTMicrosoftZero-DayVulnerability DisclosureLegal ThreatsSecurity ResearchResponsible Disclosurehttps://runtimerebel.com/blog/cve-2020-1472-how-attackers-exploit-windows-netlogon-rce-patch-nowhttps://runtimerebel.com/blog/cve-2020-1472-how-attackers-exploit-windows-netlogon-rce-patch-nowThreat actors are actively exploiting Zerologon (CVE-2020-1472), a critical Windows Netlogon RCE vulnerability that allows for full domain takeover.Mon, 01 Jun 2026 14:14:13 GMTCVE-2020-1472ZerologonMicrosoftActive DirectoryDomain Controllerhttps://runtimerebel.com/blog/microsoft-condemns-public-zero-day-disclosures-advocates-cvdhttps://runtimerebel.com/blog/microsoft-condemns-public-zero-day-disclosures-advocates-cvdMicrosoft reiterates strong support for Coordinated Vulnerability Disclosure, criticizing immediate public zero-day disclosures after a researcher's account removal.Thu, 28 May 2026 17:22:04 GMTZero-DayCoordinated Vulnerability DisclosureMicrosoftSecurity ResearchResponsible Disclosurehttps://runtimerebel.com/blog/windows-11-kb5089573-performance-and-reliability-fixes-for-24h2-25h2https://runtimerebel.com/blog/windows-11-kb5089573-performance-and-reliability-fixes-for-24h2-25h2Microsoft releases KB5089573 preview for Windows 11 24H2 and 25H2, addressing Task Manager bugs, ReFS performance issues, and Sandbox stability errors.Wed, 27 May 2026 09:17:12 GMTWindows 11KB508957324H2ReFSMicrosofthttps://runtimerebel.com/blog/cve-2026-45659-sharepoint-rce-via-deserialization-patch-nowhttps://runtimerebel.com/blog/cve-2026-45659-sharepoint-rce-via-deserialization-patch-nowMicrosoft addresses CVE-2026-45659, a high-severity RCE flaw in SharePoint Server caused by untrusted data deserialization. Learn how to mitigate this risk.Tue, 26 May 2026 13:10:28 GMTCVE-2026-45659SharePointRCEMicrosoftDeserializationhttps://runtimerebel.com/blog/yellowkey-bitlocker-bypass-microsoft-mitigates-data-accesshttps://runtimerebel.com/blog/yellowkey-bitlocker-bypass-microsoft-mitigates-data-accessMicrosoft addresses the 'YellowKey' BitLocker bypass, preventing unauthorized data access via the FsTx Auto Recovery Utility in WinRE. Understand the threat.Wed, 20 May 2026 17:13:27 GMTYellowKeyBitLockerWinREMicrosoftData Encryption Bypasshttps://runtimerebel.com/blog/yellowkey-zero-day-mitigating-bitlocker-encryption-bypasses-in-windowshttps://runtimerebel.com/blog/yellowkey-zero-day-mitigating-bitlocker-encryption-bypasses-in-windowsMicrosoft releases mitigation guidance for the YellowKey zero-day, a Windows BitLocker vulnerability allowing unauthorized access to encrypted data volumes.Wed, 20 May 2026 09:16:25 GMTWindowsBitLockerYellowKeyZero-DayEncryptionMicrosofthttps://runtimerebel.com/blog/microsoft-disrupts-msaas-operation-abusing-artifact-signing-servicehttps://runtimerebel.com/blog/microsoft-disrupts-msaas-operation-abusing-artifact-signing-serviceMicrosoft shuts down a malware-signing-as-a-service provider that leveraged fraudulent certificates to bypass security controls for ransomware groups.Wed, 20 May 2026 00:58:59 GMTMicrosoftStorm 0324Code SigningRansomwareMalware as a Servicehttps://runtimerebel.com/blog/microsoft-s-2026-plan-enhancing-windows-11-driver-quality-and-securityhttps://runtimerebel.com/blog/microsoft-s-2026-plan-enhancing-windows-11-driver-quality-and-securityMicrosoft outlines plans for 2026 to significantly enhance Windows 11 driver quality, aiming to bolster system stability and security from the core up.Tue, 19 May 2026 17:03:59 GMTWindows 11Driver QualityMicrosoftOperating System SecurityHardware Securityhttps://runtimerebel.com/blog/windows-update-failures-in-restricted-networks-via-january-2025-patchhttps://runtimerebel.com/blog/windows-update-failures-in-restricted-networks-via-january-2025-patchMicrosoft confirms January 2025 non-security updates cause Windows Update failures in restricted networks. Learn how to resolve metadata service connection errors.Tue, 19 May 2026 13:18:44 GMTWindows UpdateMicrosoftWindows Server 2022Restricted NetworksEnterprise Securityhttps://runtimerebel.com/blog/azure-backup-for-aks-vulnerability-risks-of-silent-patcheshttps://runtimerebel.com/blog/azure-backup-for-aks-vulnerability-risks-of-silent-patchesA reported Azure Backup for AKS vulnerability allowed potential cluster compromise. Learn why Microsoft rejected the report and the impact of silent fixes.Sun, 17 May 2026 00:54:57 GMTAzureAKSKubernetesMicrosoftCloud Securityhttps://runtimerebel.com/blog/microsoft-introduces-remote-rollback-for-faulty-windows-drivershttps://runtimerebel.com/blog/microsoft-introduces-remote-rollback-for-faulty-windows-driversMicrosoft expands its Known Issue Rollback capability to Windows drivers, allowing remote remediation of faulty updates that cause boot loops or crashes.Fri, 15 May 2026 12:46:02 GMTMicrosoftWindows UpdateDriver SecurityPatch Managementhttps://runtimerebel.com/blog/microsoft-and-palo-alto-networks-use-ai-to-identify-dozens-of-vulnerabilitieshttps://runtimerebel.com/blog/microsoft-and-palo-alto-networks-use-ai-to-identify-dozens-of-vulnerabilitiesMicrosoft and Palo Alto Networks leverage AI-powered tools MDASH and Mythos to identify dozens of critical software vulnerabilities before exploitation.Wed, 13 May 2026 16:53:28 GMTMicrosoftPalo Alto NetworksAIVulnerability DiscoveryMDASHMythoshttps://runtimerebel.com/blog/microsoft-mdash-ai-discovers-16-windows-vulnerabilitieshttps://runtimerebel.com/blog/microsoft-mdash-ai-discovers-16-windows-vulnerabilitiesMicrosoft reveals MDASH, a new AI-driven agentic scanning harness that discovered 16 vulnerabilities in Windows, now fixed in recent Patch Tuesday updates.Wed, 13 May 2026 16:52:01 GMTMicrosoftMDASHWindows SecurityAI SecurityPatch Tuesday