Windows Organized Feed for Admins

Machine-readable Windows security update data — CVEs, exploitation status, and build versions per OS release. Sourced from MSRC and CISA KEV.

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Full security feed — all OS versions, per-release CVE data, exploitation status, and build versions. Full API reference →

Last Updated 17 Sep 2026 11:55 UTC
Next Check 17 Sep 2026 12:30 UTC
Build Status Success
Feed Hash c440fa94241d
OS Versions 13
Security Releases 245
CVEs Tracked 20786
Actively Exploited 191

Windows 11

4 versions

26H1

0
CVEs
0
Exploited
11
Releases
2026-09-14  ·  10.0.28000.2956
End of Life

25H2

632
CVEs
1
Exploited
12
Releases
2026-09-08  ·  10.0.26200.9445
CVE-2026-81963
End of Life

24H2

0
CVEs
0
Exploited
25
Releases
2026-09-14  ·  10.0.26100.9457
End of Life

23H2

0
CVEs
0
Exploited
18
Releases
2026-09-14  ·  10.0.22631.7584

Windows 10

4 versions

1809

0
CVEs
0
Exploited
44
Releases
2026-09-14  ·  10.0.17763.9247

1607

0
CVEs
0
Exploited
44
Releases
2026-09-14  ·  10.0.14393.9514
End of Life

22H2

573
CVEs
1
Exploited
12
Releases
2026-09-08  ·  10.0.19045.7725
CVE-2026-85880

21H2

0
CVEs
0
Exploited
24
Releases
2026-09-14  ·  10.0.19044.7727

Windows Server

5 versions
End of Life

2025

682
CVEs
1
Exploited
12
Releases
2026-09-08  ·  10.0.26100.33438
CVE-2026-81963
End of Life

2022

644
CVEs
1
Exploited
12
Releases
2026-09-08  ·  10.0.20348.5622
CVE-2026-85880
End of Life

2019

619
CVEs
1
Exploited
12
Releases
2026-09-08  ·  10.0.17763.9245
CVE-2026-85880
End of Life

2016

555
CVEs
1
Exploited
12
Releases
2026-09-08  ·  10.0.14393.9512
CVE-2026-85880
End of Life

2012

420
CVEs
1
Exploited
7
Releases
2026-09-08  ·  4.8.4806.0
CVE-2026-85880

Latest Patch Tuesday

September 2026  ·  2026-09-14
0
Total CVEs
0
Actively Exploited
6
Versions Updated
OS Version KB Article Build CVEs Exploited KEV
Windows 11 26H1 KB5129194 10.0.28000.2956 0
Windows 11 24H2 KB5129195 10.0.26100.9457 0
Windows 11 23H2 KB5129242 10.0.22631.7584 0
Windows 10 1809 KB5129238 10.0.17763.9247 0
Windows 10 1607 KB5129239 10.0.14393.9514 0
Windows 10 21H2 KB5129236 10.0.19044.7727 0