🛡️ **Microsoft September 2026 Patch Tuesday — 964 CVEs, 104 Critical**
Published Tuesday, September 08, 2026 at 05:21 PM PT BLUF: Microsoft released security patches addressing 964 vulnerabilities on September 2026 Patch Tuesday, including 104 Critical-severity issues (CVE-2026-81963, CVE-2026-85880, and others). Windows, .NET, and dependent services are affected. Patch and prioritize Critical CVEs immediately; deploy all updates within 30 days. DETAILS: Microsoft’s September 2026 Patch Tuesday covers 964 total CVEs: 104 rated Critical, 860 rated Important. Two CVEs confirmed in scope: CVE-2026-81963 and CVE-2026-85880; full advisory lists all identified vulnerabilities. .NET framework and associated Microsoft products confirmed affected; complete product/version mapping available in Microsoft Security Update Guidance. Patches available via Windows Update and Microsoft Update as of the September Patch Tuesday release. This represents a 2.4× increase from August 2026 (398 CVEs), continuing elevated disclosure volume in Microsoft’s security posture. IMPACT: ...