Microsoft Patch Tuesday May 2026: 120 Vulnerabilities Fixed, Including 29 Critical RCE Flaws
Microsoft's May 2026 Patch Tuesday delivers fixes for 120 vulnerabilities including 29 Critical-rated remote code execution flaws across Windows, SharePoint, Dynamics 365, and Office. No active zero-days are...
GhostLock: New Attack Technique Locks Enterprise Files Like Ransomware — Without Any Encryption
GhostLock is a newly disclosed attack technique that uses standard Windows file-locking behavior to paralyze enterprise SMB file shares without encrypting a single byte. Requiring only a standard...
Microsoft’s April 2026 Update Adds New RDP Security Warnings to Protect Against Phishing via .rdp Files
Microsoft's April 2026 Patch Tuesday introduces new multi-layer warning dialogs in Windows Remote Desktop Connection, designed to protect users from phishing attacks that weaponize .rdp files — a...
Microsoft Patch Tuesday April 2026: 168 Vulnerabilities Fixed Including Actively Exploited SharePoint Zero-Day
Microsoft's April 2026 Patch Tuesday fixes a record 168 vulnerabilities, including an actively exploited SharePoint zero-day (CVE-2026-32201) and a publicly disclosed Microsoft Defender privilege escalation flaw. Security teams...
PoC Exploit Leaked for Unpatched Windows Privilege Escalation Zero-Day ‘BlueHammer’
A disgruntled researcher has published a working exploit for BlueHammer, an unpatched Windows local privilege escalation zero-day that abuses Windows Defender's update mechanism. Fully patched Windows 10, 11,...
Windows Zero-Day “BlueHammer” Exploit Code Released — SYSTEM Privileges at Risk
Exploit code has been publicly released for BlueHammer, a Windows zero-day privilege escalation vulnerability that allows attackers to gain full SYSTEM or administrator access. The availability of working...
A Silent Vulnerability Exposed: How Hackers Used Hidden Commands to Steal Sensitive Data
Microsoft’s seemingly “unremarkable” November 2025 Patch Tuesday update actually contained a major security fix. But even the most meticulous patching process can sometimes be outmaneuvered by cunning threat...
ClickFix: Fake Windows Updates and PNG Steganography Make a Darker Play for User Machines
For those deeply involved with cybersecurity, the past few years have seen a dramatic rise in sophisticated phishing campaigns leveraging social engineering to deliver malware onto unsuspecting victims....