medium6.5
CVE-2025-59257
Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 11 24h2 | before 10.0.26100.6899 |
| Microsoft | Windows 11 25h2 | before 10.0.26200.6899 |
| Microsoft | Windows Server 2022 23h2 | before 10.0.25398.1913 |
| Microsoft | Windows Server 2025 | through 10.0.26100.6899 |