high7.5
CVE-2026-20854
Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to execute code over a network.
Impact
Use after free in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 11 24h2 | before 10.0.26100.7623 |
| Microsoft | Windows 11 25h2 | before 10.0.26200.7623 |
| Microsoft | Windows Server 2025 | before 10.0.26100.32230 |