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>
| Link | Resource |
|---|---|
| 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 |
Configuration 1 (hide)
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23 Feb 2026, 18:21
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (en) <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> |
21 Nov 2024, 05:07
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16939 - Patch, Vendor Advisory | |
| References | () https://www.zerodayinitiative.com/advisories/ZDI-20-1254/ - Third Party Advisory |
Published : 2020-10-16 23:15
Updated : 2026-02-23 18:21
NVD link : CVE-2020-16939
Mitre link : CVE-2020-16939
CVE.ORG link : CVE-2020-16939
JSON object : View
Improper Link Resolution Before File Access ('Link Following')