September 8, 2026

Microsoft Patch Tuesday · September 2026

Total

1020

Critical

58

Zero-day

4

KEV

4

Priority

4 zero-days / actively exploited

By product family

Unassigned810 CVEs
Office94 CVEs
SQL Server54 CVEs
Chromium26 CVEs
Exchange9 CVEs
Azure8 CVEs
.NET8 CVEs
Dynamics2 CVEs
Edge2 CVEs
Teams2 CVEs
Windows Server1 CVE