CVEvulnerability
CVE-2026-83499
7.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-10-13
- Last modified
- 2026-10-28
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-1220
Description
Insufficient granularity of access control in Windows Server Update Service allows an authorized attacker to elevate privileges locally.
Affected configurations
• microsoft windows 10 1607 (< 10.0.14393.9612)
• microsoft windows 10 1809 (< 10.0.17763.9376)
• microsoft windows server 2012
• microsoft windows server 2012 r2
• microsoft windows server 2016 (< 10.0.14393.9612)
• microsoft windows server 2019 (< 10.0.17763.9376)
• microsoft windows server 2022 (< 10.0.20348.5761)
• microsoft windows server 2025 (< 10.0.26100.33650)
Related
Weakness · CWE (1)
- CWE-1220 Insufficient Granularity of Access Control weakness
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83499 Patch, Vendor Advisory