Status: UPDATED | Advisory ID: CVE-2026-69605
| CVE | CVE-2026-69605 |
| CVSS Score / Version | 7.0 (High) / CVSS v3.1 |
| Updated | 2026-09-29 |
| CVSS Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CVSS Prose | attack vector is local; attack complexity is high; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high. |
| Affected products | see table below |
| Classified as | CWE-416 (Use After Free) |
| Vendor | Product | Affected Versions | Patch Status |
|---|---|---|---|
| Microsoft | Windows 11 (version 23H2) | ||
| Microsoft | Windows 11 (version 24H2) | ||
| Microsoft | Windows 11 (version 25H2) | ||
| Microsoft | Windows 11 (version 26H1) | ||
| Microsoft | Windows Server 2025 | ||
| Microsoft | Windows 10 (version 21H2) | ||
| Microsoft | Windows 10 (version 22H2) | ||
| Microsoft | Windows Server 2022 |
| Subsystems | OT Supporting Infrastructure |
| Sectors | All Sectors |
Use after free in Microsoft Install Service allows an authorized attacker to elevate privileges locally.
Monitor Microsoft's web page for any future patch releases. See vendor advisory link below.