Patch Tuesday Update – August 2025

In total, including third-party CVEs, in this Patch Tuesday edition, Microsoft published 119 CVEs, including 8 republished CVEs. Overall, Microsoft announced 1 Zero-Day, 16 Critical, and 92 Important vulnerabilities. From an Impact perspective, Escalation of Privilege vulnerabilities accounted for 40%,…

Hackers Deploy Dedicated Phishlet for FIDO Authentication Downgrade Attacks

Proofpoint researchers have uncovered a novel technique allowing threat actors to bypass FIDO-based authentication through downgrade attacks, leveraging a custom phishlet within adversary-in-the-middle (AiTM) frameworks. This method exploits gaps in browser compatibility and user agent handling, forcing victims to revert…