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BlueHammer Zero-Day: Windows Local Privilege Escalation Exploit Risks
Researcher Chaotic Eclipse released the BlueHammer zero-day exploit for Windows, enabling local privilege escalation. Learn how to detect and mitigate it.
Classic Outlook Bug Halts Outlook.com Email Delivery for Users
Microsoft is actively investigating a Classic Outlook bug preventing some users from sending emails via Outlook.com. This impacts email delivery and communication.
EvilTokens Fuels Microsoft Device Code Phishing & BEC
New EvilTokens service automates Microsoft device code phishing, enabling account takeover and sophisticated business email compromise (BEC) attacks. Learn how to defend.
Windows 11 KB5079391: Smart App Control AI Enhancements for 24H2
Microsoft releases Windows 11 KB5079391 preview update, enhancing Smart App Control with AI models to mitigate malicious software execution on 24H2 systems.
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.
CVE-2024-38094: SharePoint RCE Exploited in the Wild — Patch Now
CISA adds CVE-2024-38094 to its KEV catalog after active exploitation of a SharePoint RCE vulnerability. Learn how to detect and remediate this threat.
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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.
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.
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.
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.
Microsoft Patch Tuesday: 83 Vulnerabilities, Critical Flaw Addressed
Microsoft's latest Patch Tuesday addresses 83 vulnerabilities across its product line, including one critical flaw. Security teams must prioritize immediate patching.
AI-Enhanced Cyberattacks: Microsoft Details LLM Abuse by APT Groups
Microsoft reveals how nation-state actors like APT28 and Crimson Sandstorm are using AI to automate reconnaissance and refine social engineering lures.
Windows Terminal Exploited in ClickFix Campaign for Lumma Stealer
Microsoft identifies a new ClickFix campaign using Windows Terminal to deliver Lumma Stealer. Analysis of social engineering TTPs and mitigation steps included.
Sentencing in $24 Million Microsoft Licensing Fraud Scheme
A Florida woman has been sentenced to 22 months in prison for a multi-million dollar scheme involving stolen Microsoft Certificate of Authenticity labels.
APT28 Exploits CVE-2026-21513: MSHTML 0-Day Intelligence
Akamai reports Russia-linked APT28 exploited CVE-2026-21513 in the MSHTML Framework as a zero-day before Microsoft's February 2026 security patch updates.
Windows 11 KB5077241: Native Sysmon Integration and BitLocker Updates
Microsoft integrates native Sysmon and enhances BitLocker management in the Windows 11 KB5077241 optional update, providing advanced telemetry for defenders.
Microsoft Investigating Mouse Pointer Bug in Classic Outlook
Microsoft confirms a bug in classic Outlook causing the mouse cursor to disappear during email composition. Discover the technical details and mitigation steps.
Microsoft February 2026 Security Update: Analysis of Six Actively Exploited Zero-Days
Microsoft's latest security release addresses 50+ vulnerabilities, including six zero-day exploits targeting Windows kernel components and browser engines.