Microsoft Patch Tuesday — September 2026
Tuesday, 8 September 2026
Exploited 2
Confirmed exploited (CISA KEV, ENISA). "Zero-day" means exploitation was known by the patch day — install these first.
- High 7.8
- High 7.8
Critical 43
- Critical 9.9
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8 EPSS 1%
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8 EPSS 1%
18 more in the full list below.
Public exploit code 4
Not critical and not yet seen exploited, but exploit or proof-of-concept code is public.
- High 8.6
- High 7.8
- High 7.1
- Medium 5.5
All vulnerabilities 965
Critical43 ShowHide
- Critical 9.9
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8 EPSS 1%
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8 EPSS 1%
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.8
- Critical 9.6
- Critical 9.6
- Critical 9.3
- Critical 9.1
- Critical 9.0
- Critical 9.0
- Critical 9.0
High681 ShowHide
- High 7.8
- High 7.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8 EPSS 1.7%
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8 EPSS 1%
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8 EPSS 1.7%
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8 EPSS 1.3%
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.8
- High 8.6
- High 8.5
- High 8.4
- High 8.4
- High 8.4
- High 8.4
- High 8.3
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.2
- High 8.1 EPSS 1.1%
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.1
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 8.0
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.8
- High 7.7
- High 7.5
- High 7.5 EPSS 1.2%
- High 7.5
- High 7.5
- High 7.5
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5
- High 7.5 EPSS 1.2%
- High 7.5
- High 7.5 EPSS 1%
- High 7.5
- High 7.5
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5
- High 7.5
- High 7.5 EPSS 1.2%
- High 7.5
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5
- High 7.5
- High 7.5
- High 7.5 EPSS 1.2%
- High 7.5
- High 7.5 EPSS 1.2%
- High 7.5
- High 7.5 EPSS 1.2%
- High 7.5
- High 7.5 EPSS 1%
- High 7.5 EPSS 1%
- High 7.5 EPSS 1%
- High 7.5
- High 7.5 EPSS 1%
- High 7.5
-
High 7.5
CVE-2026-72949 Windows SMB Server Network Transport Driver (srvnet.sys) Denial of Service VulnerabilityEPSS 1.2%
- High 7.5
- High 7.5 EPSS 1%
- High 7.5
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.5
- High 7.5
- High 7.5
- High 7.5 EPSS 1.2%
- High 7.5 EPSS 1.2%
- High 7.4
- High 7.4 EPSS 1%
- High 7.4
- High 7.4
- High 7.3
- High 7.3
- High 7.3
- High 7.2 EPSS 1%
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.1
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0 EPSS 2.8%
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
- High 7.0
Medium239 ShowHide
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.8
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.7
- Medium 6.6
- Medium 6.5
- Medium 6.5 EPSS 1.1%
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5 EPSS 1.1%
- Medium 6.5
- Medium 6.5 EPSS 1.1%
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5 EPSS 1.1%
- Medium 6.5 EPSS 1.1%
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5 EPSS 1.1%
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5 EPSS 1.1%
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5 EPSS 1.1%
- Medium 6.5 EPSS 1%
- Medium 6.5
- Medium 6.5 EPSS 1.1%
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.5
- Medium 6.4
- Medium 6.4
- Medium 6.4
- Medium 6.4
- Medium 6.4
- Medium 6.4
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.9
- Medium 5.8
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.7
- Medium 5.6
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.5
- Medium 5.3
- Medium 5.3
- Medium 5.0
- Medium 4.9 EPSS 1.1%
- Medium 4.8
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.7
- Medium 4.6
- Medium 4.6
- Medium 4.6
- Medium 4.6
- Medium 4.6
- Medium 4.4
- Medium 4.4
- Medium 4.3
- Medium 4.3
- Medium 4.3