CVEvulnerability
CVE-2020-16939
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-10-16
- Last modified
- 2026-06-17
- 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
- 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])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-59
Description
<p>An elevation of privilege vulnerability exists when Group Policy improperly checks access. An attacker who successfully exploited this vulnerability could run processes in an elevated context.</p>
<p>To exploit the vulnerability, an attacker would first have to log on to the system, and then run a specially crafted application to take control over the affected system.</p>
<p>The security update addresses the vulnerability by correcting how Group Policy checks access.</p>
Affected configurations
• microsoft windows 10
• microsoft windows 10 1607
• microsoft windows 10 1709
• microsoft windows 10 1803
• microsoft windows 10 1809
• microsoft windows 10 1903
• microsoft windows 10 1909
• microsoft windows 10 2004
• microsoft windows 7
• microsoft windows 8.1
• microsoft windows rt 8.1
• microsoft windows server 2008
• microsoft windows server 2008 r2
• microsoft windows server 2012
• microsoft windows server 2012 r2
• microsoft windows server 2016
• microsoft windows server 2016 1903
• microsoft windows server 2016 1909
• microsoft windows server 2016 2004
• microsoft windows server 2019
Related
Weakness · CWE (1)
- CWE-59 Improper Link Resolution Before File Access weakness
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16939 Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1254/ Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16939 Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1254/ Third Party Advisory