CVE-2020-16939

HIGH

Microsoft Windows 10 - Symlink Following

Title source: rule

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>

Exploits (2)

nomisec WORKING POC 12 stars
by rogue-kdc · poc
https://github.com/rogue-kdc/CVE-2020-16939

Scores

CVSS v3 7.8
EPSS 0.2089
EPSS Percentile 95.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-59
Status published

Affected Products (20)

microsoft/windows_10
microsoft/windows_10
microsoft/windows_10
microsoft/windows_10
microsoft/windows_10
microsoft/windows_10
microsoft/windows_10
microsoft/windows_10
microsoft/windows_7
microsoft/windows_8.1
microsoft/windows_rt_8.1
microsoft/windows_server_2008
microsoft/windows_server_2008
microsoft/windows_server_2012
microsoft/windows_server_2012
... and 5 more

Timeline

Published Oct 16, 2020
Tracked Since Feb 18, 2026