CVE-2020-0951

6.7 MEDIUM
Published: September 11, 2020 Modified: February 23, 2026
View on NVD

Description

<p>A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could execute PowerShell commands that would be blocked by WDAC.</p> <p>To exploit the vulnerability, an attacker need administrator access on a local machine where PowerShell is running. The attacker could then connect to a PowerShell session and send commands to execute arbitrary code.</p> <p>The update addresses the vulnerability by correcting how PowerShell commands are validated when WDAC protection is enabled.</p>

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0951
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.7 / 10.0
EPSS (Exploit Probability)
0.5%
67th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

microsoft