high7.8
CVE-2026-85884
Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to elevate privileges locally.
Impact
Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 11 Version 26H2 | from 10.0.26300.0 before 10.0.26300.9711 |
| Microsoft | Windows 11 Version 25H2 | from 10.0.26200.0 before 10.0.26200.9711 |
| Microsoft | Windows 11 Version 26H1 | from 10.0.28000.0 before 10.0.28000.3231 |
| Microsoft | Windows 11 Version 24H2 | from 10.0.26100.0 before 10.0.26100.9711 |
| Microsoft | Windows 11 24h2 | before 10.0.26100.9711 |
| Microsoft | Windows 11 25h2 | before 10.0.26200.9711 |
| Microsoft | Windows 11 26h1 | before 10.0.28000.3231 |
| Microsoft | Windows 11 26h2 | before 10.0.26300.9711 |