high7.9
CVE-2026-45654
Improper access control in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
Impact
Improper access control in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 11 24h2 | before 10.0.26100.8655 |
| Microsoft | Windows 11 25h2 | before 10.0.26200.8655 |
| Microsoft | Windows 11 26h1 | before 10.0.28000.2269 |
| Microsoft | Windows Server 2025 | before 10.0.26100.32995 |