6.5
Medium
CVE-2025-59257 Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to…
Description
Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.6899 | 10.0.26100.6899 |
| Windows 11 Version 25H2 10.0 | 10.0.26200.0 → < 10.0.26200.6899 | 10.0.26200.6899 |
| Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 | 10.0.25398.0 → < 10.0.25398.1913 | 10.0.25398.1913 |
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.6899 | 10.0.26100.6899 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.6899 | 10.0.26100.6899 |
References
- Windows Local Session Manager (LSM) Denial of Service Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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