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 31 Jul 2026 19:59 UTC
Next Check 01 Aug 2026 00:30 UTC
Build Status Success
Feed Hash 387df16b79dd
OS Versions 13
Security Releases 233
CVEs Tracked 11711
Actively Exploited 153

Windows 11

4 versions

26H1

397
CVEs
0
Exploited
8
Releases
2026-07-14  ·  10.0.28000.2525

25H2

394
CVEs
0
Exploited
10
Releases
2026-07-14  ·  10.0.26200.8875

24H2

0
CVEs
0
Exploited
24
Releases
2026-07-18  ·  10.0.26100.8894
End of Life

23H2

33
CVEs
0
Exploited
17
Releases
2026-07-14  ·  2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0

Windows 10

4 versions
1 KEV

1809

322
CVEs
1
Exploited
43
Releases
2026-07-14  ·  10.0.17763.9020
CVE-2026-56155
1 KEV

1607

259
CVEs
1
Exploited
43
Releases
2026-07-14  ·  10.0.14393.9339
CVE-2026-56155
End of Life

22H2

328
CVEs
0
Exploited
12
Releases
2026-07-14  ·  10.0.19045.7548
End of Life

21H2

328
CVEs
0
Exploited
23
Releases
2026-07-14  ·  10.0.19044.7548

Windows Server

5 versions
1 KEV

2025

389
CVEs
1
Exploited
12
Releases
2026-07-14  ·  10.0.26100.33158
CVE-2026-56155
1 KEV

2022

336
CVEs
1
Exploited
12
Releases
2026-07-14  ·  10.0.20348.5386
CVE-2026-56155
1 KEV

2019

322
CVEs
1
Exploited
12
Releases
2026-07-14  ·  10.0.17763.9020
CVE-2026-56155
1 KEV

2016

259
CVEs
1
Exploited
12
Releases
2026-07-14  ·  10.0.14393.9339
CVE-2026-56155
End of Life

2012

198
CVEs
1
Exploited
5
Releases
2026-07-14  ·  4.8.4803.0
CVE-2026-56155

Latest Patch Tuesday

July 2026  ·  2026-07-18
0
Total CVEs
0
Actively Exploited
1
Versions Updated
OS Version KB Article Build CVEs Exploited KEV
Windows 11 24H2 KB5121767 10.0.26100.8894 0