Microsoft’s New Windows Tool Quietly Resets Chrome, Firefox, and Brave to Bing
A newly spotted Microsoft installer called MicrosoftSettings.exe pushes a browser extension that switches Chrome, Firefox, and Brave over to Bing search and the MSN homepage. Security researchers note...
New “Pass-the-Passkey” Technique Shows How Windows 11 Logs Undermined Phishing-Resistant MFA
Security researchers at SpecterOps have detailed a family of attacks called Pass-the-Passkey that exploit how Windows 11 logged WebAuthn authentication data and how Microsoft Entra ID validated it,...
Microsoft Ships KB5095189 Cumulative Update to Patch the Windows 11 Setup Experience
Microsoft's KB5095189 update patches the Windows 11 setup experience for versions 24H2 and 25H2. It carries no CVE, but enterprises relying on Autopilot-style provisioning should confirm devices aren't...
Microsoft Releases Emergency KB5089573 for Windows 11 to Permanently Fix Patch Tuesday Install Failures
Microsoft has released KB5089573, a critical out-of-band update for Windows 11, permanently fixing the EFI System Partition space issue that caused widespread 0x800f0922 installation failures following May 2026...
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...
BitUnlocker: New Tool Breaks BitLocker on Patched Windows 11 Systems in Under 5 Minutes
A publicly released tool called BitUnlocker demonstrates a practical downgrade attack against BitLocker on fully-patched Windows 11 machines, exploiting a gap between CVE-2025-48804 patching and certificate revocation to...