7.8
High
CVE-2026-85884 Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized…
Description
Missing authentication for critical function in Windows Health and Optimized Experiences Service allows an authorized attacker to elevate privileges locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.9711 | 10.0.26100.9711 |
| Windows 11 Version 25H2 10.0 | 10.0.26200.0 → < 10.0.26200.9711 | 10.0.26200.9711 |
| Windows 11 version 26H1 10.0 | 10.0.28000.0 → < 10.0.28000.3231 | 10.0.28000.3231 |
| Windows 11 Version 26H2 10.0 | 10.0.26300.0 → < 10.0.26300.9711 | 10.0.26300.9711 |
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