high7.8
CVE-2026-66804
Improper access control in Windows Cross Device Service allows an authorized attacker to elevate privileges locally.
Impact
Improper access control in Windows Cross Device Service allows an authorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 22h2 | before 10.0.19045.7663 |
| Microsoft | Windows 11 24h2 | before 10.0.26100.9106 |
| Microsoft | Windows 11 25h2 | before 10.0.26200.9106 |
| Microsoft | Windows 11 26h1 | before 10.0.28000.2704 |