CVEvulnerability
CVE-2021-38634
7.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-09-15
- Last modified
- 2026-08-10
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.1 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- 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
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-269
Description
Microsoft Windows Update Client Elevation of Privilege Vulnerability
Affected configurations
• microsoft windows 10
• microsoft windows 10 20h2
• microsoft windows 10 21h1
• microsoft windows 10 1607
• microsoft windows 10 1809
• microsoft windows 10 1909
• microsoft windows 10 2004
• microsoft windows server 2016
• microsoft windows server 2016 20h2
• microsoft windows server 2016 2004
• microsoft windows server 2019
• microsoft windows server 2022
Related
Weakness · CWE (1)
- CWE-269 Improper Privilege Management weakness
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38634 msrc.microsoft.com
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38634 Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1075/ Third Party Advisory, VDB Entry