Description
Out-of-bounds read in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 – < 10.0.19044.7725 | 10.0.19044.7725 |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 – < 10.0.19045.7725 | 10.0.19045.7725 |
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 – < 10.0.22631.7582 | 10.0.22631.7582 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 – < 10.0.26100.9445 | 10.0.26100.9445 |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 – < 10.0.26200.9445 | 10.0.26200.9445 |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 – < 10.0.28000.2954 | 10.0.28000.2954 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.5622 | 10.0.20348.5622 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – < 10.0.26100.33438 | 10.0.26100.33438 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – < 10.0.26100.33438 | 10.0.26100.33438 |
Advisories 2
- WID-SEC-2026-3243 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 4, 2026
- MSRC-CVE-2026-69365 Microsoft Local Security Authority (LSA) Server Elevation of Privilege Vulnerability Microsoft Security Response Center · Sep 8, 2026
References
- Microsoft Local Security Authority (LSA) Server Elevation of Privilege Vulnerability vendor-advisory patch