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Microsoft Outlook Fixes Gmail IMAP Sync Bug in Version 2404
Microsoft resolves a persistent bug in Classic Outlook causing IMAP synchronization failures and connection errors for Gmail and Yahoo mail users.
Microsoft Xbox One Hardware Security Defeated via Bliss Exploit
Security researchers have bypassed Microsoft Xbox One hardware security using the Bliss voltage glitching exploit, enabling unsigned code execution.
Exchange Online Service Change: Solving Outlook for Mac Access Issues
Microsoft addresses a service disruption in Exchange Online caused by virtual account updates affecting Outlook for Mac and mobile device connectivity.
IRS Phishing Campaign Targets 29,000 Users with RMM Malware
Microsoft warns of a widespread IRS phishing campaign targeting 29,000 users with tax-themed lures to deploy RMM malware and steal enterprise credentials.
KB5085516 Emergency Update: Fix for Microsoft Account Sign-in Failures
Microsoft releases emergency KB5085516 update to resolve widespread authentication failures affecting OneDrive, Teams, and other cloud-integrated services.
Azure Monitor Alert Abuse: Detecting Callback Phishing Campaigns
Threat actors are abusing Microsoft Azure Monitor Action Groups to send legitimate-looking callback phishing emails to bypass traditional security filters.
KB5079473 Update Breaks Microsoft Account Sign-ins on Windows 11
Microsoft confirms the KB5079473 March update for Windows 11 disrupts sign-ins for Teams and OneDrive. Technical analysis and remediation for affected systems.
Secure Microsoft Intune Systems Against Wipe Attacks - CISA Warning
CISA urges organizations to secure Microsoft Intune following a breach at Stryker where attackers used the management tool to wipe corporate systems.
Hardening Endpoint Management Systems: CISA Alert on Intune Attacks
CISA warns of active cyberattacks targeting endpoint management systems, specifically Microsoft Intune.
CVE-2026-20963: Microsoft SharePoint Deserialization Exploit — Patch Now
CISA adds CVE-2026-20963, a Microsoft SharePoint deserialization vulnerability, to its KEV catalog due to active exploitation.
Tech Giants Pledge $12.5M to Bolster Open Source Software Security
Anthropic, AWS, Google, Microsoft, and OpenAI invest $12.5 million into the OpenSSF to mitigate systemic supply chain risks in open source ecosystems.
Tech Giants Sign Industry Pact to Combat Online Scams and Fraud
Leading tech firms including Google, Meta, and Microsoft sign a collaborative pact to enhance cross-platform intelligence sharing and fight online scams.
Windows 11 24H2 Samsung Galaxy Book C: Drive Access Fix
Microsoft releases technical guidance to resolve C: drive access denied errors and application failures on Samsung Galaxy Book devices running Windows 11.
Remote Device Wiping Attack Hits Stryker via Microsoft Environment
An attack on medical technology firm Stryker resulted in the remote wiping of tens of thousands of devices by leveraging internal management tools and identity.
Microsoft Exchange Online Outage: Troubleshooting Access Failures
Microsoft Exchange Online service disruption prevents global users from accessing mailboxes and calendars. Review technical impacts and mitigation steps.
Windows 11 24H2 RRAS RCE: Microsoft Issues OOB Hotpatch Fix
Microsoft releases an out-of-band hotpatch for Windows 11 24H2 to address critical RRAS remote code execution vulnerabilities CVE-2024-43513 and CVE-2024-49053.
Windows 11 C: Drive Access Failure on Samsung PCs - Mitigation Guide
Microsoft investigates an issue where February 2026 Windows 11 security updates prevent C: drive access on Samsung laptops, blocking all applications.
Microsoft Investigates Classic Outlook Sync & Connection Issues
Microsoft is actively investigating widespread classic Outlook desktop client synchronization and connectivity problems impacting users globally.
Storm-2561 Leverages SEO Poisoning for Credential Theft
Microsoft warns of Storm-2561's credential theft campaign using SEO poisoning to distribute fake, digitally signed VPN clients disguised as legitimate enterprise…
Microsoft Patch Tuesday Analysis: Addressing Critical RCE and Quishing
Technical analysis of the March 2026 Patch Tuesday cycle, focusing on Windows RCE, kernel-level privilege escalation, and emerging QR code phishing trends.
CVE-2024-21410: Protect Microsoft Exchange from NTLM Relay Attacks
Deep dive into CVE-2024-21410, a critical privilege escalation vulnerability in Microsoft Exchange. Learn how to detect exploits and implement EPA mitigations.
Microsoft March Patch Tuesday: 84 Flaws Fixed Including Public Zero-Days
Microsoft releases March security updates for 84 vulnerabilities, including 8 Critical flaws and 2 public zero-days. Patch now to prevent RCE and privilege escalation.
Microsoft March Update: 83 CVEs Patched, Prioritization Key
Microsoft's March Patch Tuesday addresses 83 CVEs across its product line. Learn why applying these security updates is crucial for defending against potential…
March 2026 Patch Tuesday: Microsoft Fixes 77 Vulnerabilities
Microsoft's March 2026 Patch Tuesday addresses 77 vulnerabilities across Windows and other software. Learn about the risks and how to prioritize patching.