Microsoft Patch Tuesday, November 2025 Security Update Review

Microsoft's November 2025 Patch Tuesday addresses 68 vulnerabilities (five critical, 59 important) across numerous Windows and Microsoft products, and Adobe released eight advisories covering 29 flaws (23 critical). The bulletin calls out a zero-day that is being actively exploited and lists several critical issues including network RCEs, elevation-of-privilege bugs that can yield SYSTEM, and use-after-free flaws; it directs organizations to patch promptly, provides Qualys QQL queries to find affected hosts, and offers mitigations for teams unable to patch immediately.