Improper privilege management in Microsoft Install Service allows an authorized attacker to elevate privileges locally.
| Vendor | Product | Versions |
|---|---|---|
| microsoft | install | 10.0.17763.0, 10.0.19044.0, 10.0.19045.0, 10.0.26100.0, 10.0.26200.0, 10.0.28000.0, 10.0.17763.0, 10.0.17763.0, 10.0.20348.0, 10.0.26100.0, 10.0.26100.0 |
Downstream vendors/products affected by this vulnerability
| Vendor | Product | Source | Confidence |
|---|---|---|---|
| microsoft | windows server 2025 (server core installation) | mitre_affected | 90% |
| microsoft | windows | mitre_affected | 90% |
| microsoft | windows 10 version 21h2 | mitre_affected | 90% |
| microsoft | windows server 2019 (server core installation) | mitre_affected | 90% |
| microsoft | windows 11 version 25h2 | mitre_affected | 90% |
Updated affected versions to include 'up to Server 2025', changed severity to MEDIUM, and noted no exploit is available.
Added a detailed description of the vulnerability and marked it as actively exploited with an exploit available.
Initial creation
