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.

GET https://wofa.dev/v1/windows_data_feed.json Open ↗

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

Last Updated 14 Aug 2026 13:52 UTC
Next Check 14 Aug 2026 18:30 UTC
Build Status Success
Feed Hash 53e0b828242a
OS Versions 13
Security Releases 246
CVEs Tracked 14074
Actively Exploited 166

Windows 11

4 versions
1 KEV

26H1

201
CVEs
1
Exploited
9
Releases
2026-08-11  ·  10.0.28000.2704
CVE-2026-68820
End of Life

25H2

198
CVEs
1
Exploited
11
Releases
2026-08-11  ·  10.0.26200.9168
CVE-2026-68820
End of Life

24H2

198
CVEs
1
Exploited
25
Releases
2026-08-11  ·  10.0.26100.9168
CVE-2026-68820
End of Life

23H2

173
CVEs
1
Exploited
18
Releases
2026-08-11  ·  10.0.22631.7517
CVE-2026-68820

Windows 10

4 versions
1 KEV

1809

186
CVEs
1
Exploited
44
Releases
2026-08-11  ·  10.0.17763.9115
CVE-2026-68820
1 KEV

1607

169
CVEs
1
Exploited
44
Releases
2026-08-11  ·  10.0.14393.9418
CVE-2026-68820
End of Life

22H2

163
CVEs
1
Exploited
13
Releases
2026-08-11  ·  10.0.19045.7663
CVE-2026-68820
1 KEV

21H2

162
CVEs
1
Exploited
24
Releases
2026-08-11  ·  10.0.19044.7663
CVE-2026-68820

Windows Server

5 versions
End of Life

2025

217
CVEs
1
Exploited
13
Releases
2026-08-11  ·  10.0.26100.33296
CVE-2026-68820
End of Life

2022

197
CVEs
1
Exploited
13
Releases
2026-08-11  ·  10.0.20348.5499
CVE-2026-68820
End of Life

2019

185
CVEs
1
Exploited
13
Releases
2026-08-11  ·  10.0.17763.9115
CVE-2026-68820
End of Life

2016

167
CVEs
1
Exploited
13
Releases
2026-08-11  ·  10.0.14393.9418
CVE-2026-68820
End of Life

2012

147
CVEs
1
Exploited
6
Releases
2026-08-11  ·  4.8.4805.0
CVE-2026-68820

Latest Patch Tuesday

August 2026  ·  2026-08-11
2363
Total CVEs
1
Actively Exploited
13
CISA KEV
13
Versions Updated
OS Version KB Article Build CVEs Exploited KEV
Windows 11 26H1 KB5121000 10.0.28000.2704 201 1 1
Windows 11 25H2 KB5121003 10.0.26200.9168 198 1 1
Windows 11 24H2 KB5121003 10.0.26100.9168 198 1 1
Windows 11 23H2 KB5120240 10.0.22631.7517 173 1 1
Windows 10 1809 KB5120238 10.0.17763.9115 186 1 1
Windows 10 1607 KB5120418 10.0.14393.9418 169 1 1
Windows 10 22H2 KB5120249 10.0.19045.7663 163 1 1
Windows 10 21H2 KB5120249 10.0.19044.7663 162 1 1
Windows Server 2025 KB5120233 10.0.26100.33296 217 1 1
Windows Server 2022 KB5120242 10.0.20348.5499 197 1 1
Windows Server 2019 KB5120238 10.0.17763.9115 185 1 1
Windows Server 2016 KB5120418 10.0.14393.9418 167 1 1
Windows Server 2012 KB5120706 4.8.4805.0 147 1 1
Actively Exploited This Month