CVE-2026-96853

CVE-2026-96853 · Windows Win32 Kernel Subsystem Information Disclosure Vulnerability

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Time-of-check time-of-use (toctou) race condition in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.

CVSS 4.7 · Medium · EPSS 0.2% · Fix available

Published: 2026-10-13T19:01:18.922Z
Updated: 2026-10-23T22:30:42.640Z

Affected products and versions

windows 10 version 1607
Versions
- ≥ 10.0.14393.0, < 10.0.14393.9612: Affected (custom)
Update to 10.0.14393.9612
windows 10 version 1809
Versions
- ≥ 10.0.17763.0, < 10.0.17763.9376: Affected (custom)
Update to 10.0.17763.9376
windows 10 version 21h2
Versions
- ≥ 10.0.19044.0, < 10.0.19044.7807: Affected (custom)
Update to 10.0.19044.7807
windows 10 version 22h2
Versions
- ≥ 10.0.19045.0, < 10.0.19045.7807: Affected (custom)
Update to 10.0.19045.7807
windows 11 version 23h2
Versions
- ≥ 10.0.22631.0, < 10.0.22631.7652: Affected (custom)
Update to 10.0.22631.7652
windows 11 version 24h2
Versions
- ≥ 10.0.26100.0, < 10.0.26100.9711: Affected (custom)
Update to 10.0.26100.9711
windows 11 version 25h2
Versions
- ≥ 10.0.26200.0, < 10.0.26200.9711: Affected (custom)
Update to 10.0.26200.9711
windows 11 version 26h1
Versions
- ≥ 10.0.28000.0, < 10.0.28000.3231: Affected (custom)
Update to 10.0.28000.3231
windows 11 version 26h2
Versions
- ≥ 10.0.26300.0, < 10.0.26300.9711: Affected (custom)
Update to 10.0.26300.9711
windows server 2012
Versions
- ≥ 6.2.9200.0, < 6.2.9200.26434: Affected (custom)
Update to 6.2.9200.26434
windows server 2012 (server core installation)
Versions
- ≥ 6.2.9200.0, < 6.2.9200.26434: Affected (custom)
Update to 6.2.9200.26434
windows server 2012 r2
Versions
- ≥ 6.3.9600.0, < 6.3.9600.23470: Affected (custom)
Update to 6.3.9600.23470
windows server 2012 r2 (server core installation)
Versions
- ≥ 6.3.9600.0, < 6.3.9600.23470: Affected (custom)
Update to 6.3.9600.23470
windows server 2016
Versions
- ≥ 10.0.14393.0, < 10.0.14393.9612: Affected (custom)
Update to 10.0.14393.9612
windows server 2016 (server core installation)
Versions
- ≥ 10.0.14393.0, < 10.0.14393.9612: Affected (custom)
Update to 10.0.14393.9612
windows server 2019
Versions
- ≥ 10.0.17763.0, < 10.0.17763.9376: Affected (custom)
Update to 10.0.17763.9376
windows server 2019 (server core installation)
Versions
- ≥ 10.0.17763.0, < 10.0.17763.9376: Affected (custom)
Update to 10.0.17763.9376
windows server 2022
Versions
- ≥ 10.0.20348.0, < 10.0.20348.5761: Affected (custom)
Update to 10.0.20348.5761
windows server 2025
Versions
- ≥ 10.0.26100.0, < 10.0.26100.33650: Affected (custom)
Update to 10.0.26100.33650
windows server 2025 (server core installation)
Versions
- ≥ 10.0.26100.0, < 10.0.26100.33650: Affected (custom)
Update to 10.0.26100.33650

Original sources

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