TL;DR what: Microsoft's September 2026 Patch Tuesday fixed 974 vulnerabilities, the...

Today is Microsoft's September 2026 Patch Tuesday, with security updates released for a record-breaking 966 flaws, including two actively exploited zero-day vulnerabilities.

Patch Tuesday September 2026: Microsoft fixed 974 CVEs, including two vulnerabilities exploited as zero-days (CVE-2026-85880 and CVE-2026-81963)