Description
Buffer over-read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 – < 10.0.17763.9376 | 10.0.17763.9376 |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 – < 10.0.19044.7807 | 10.0.19044.7807 |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 – < 10.0.19045.7807 | 10.0.19045.7807 |
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 – < 10.0.22631.7652 | 10.0.22631.7652 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 – < 10.0.17763.9376 | 10.0.17763.9376 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 – < 10.0.17763.9376 | 10.0.17763.9376 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.5761 | 10.0.20348.5761 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – < 10.0.26100.33650 | 10.0.26100.33650 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – < 10.0.26100.33650 | 10.0.26100.33650 |
Advisories 2
- WID-SEC-2026-3892 Microsoft Windows und Windows Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 8, 2026
- MSRC-CVE-2026-96848 Windows Win32 Kernel Subsystem Information Disclosure Vulnerability Microsoft Security Response Center · Oct 13, 2026
References
- Windows Win32 Kernel Subsystem Information Disclosure Vulnerability vendor-advisory patch