Pwn2Own Berlin 2026 Day 2: Exchange, Windows 11, and AI Coding Tools Fall to Zero-Days — $908,750 in Total Prizes
Day Two of Pwn2Own Berlin 2026 saw 15 new zero-day exploits demonstrated against Microsoft Exchange (full RCE chain worth $200,000), Windows 11, Red Hat Linux, Cursor IDE, OpenAI...
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...
Microsoft Confirms Windows Server 2025 Domain Controllers Enter Reboot Loops After April 2026 Patch
Microsoft has confirmed that the April 2026 cumulative update KB5082063 causes Windows Server 2025 domain controllers to enter reboot loops, with some systems also failing to install the...
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...
Three Windows Defender Zero-Days Exploited in the Wild: BlueHammer Patched, RedSun and UnDefend Still Unpatched
A security researcher dropped three Windows Defender zero-day exploits in 13 days — BlueHammer (CVE-2026-33825), RedSun, and UnDefend. All three are now confirmed active in live attacks, with...
Microsoft April 2026 Patch Tuesday: Actively Exploited SharePoint Zero-Day Among 167 Fixes
Microsoft's April 2026 Patch Tuesday patches 167 vulnerabilities including an actively exploited SharePoint Server zero-day (CVE-2026-32201) and a publicly disclosed Windows Defender race condition (CVE-2026-33825). Security teams should...
Microsoft April 2026 Patch Tuesday: 163 CVEs Including Two Zero-Days and a Public “BlueHammer” Exploit
Microsoft's April 2026 Patch Tuesday addresses 163 CVEs, including an actively exploited SharePoint spoofing zero-day (CVE-2026-32201) and a publicly leaked Defender EoP exploit dubbed "BlueHammer" (CVE-2026-33825). A critical...