CVE-2021-41379

5.5 MEDIUM CISA KEV - Actively Exploited
Published: November 10, 2021 Modified: October 30, 2025
View on NVD

Description

Windows Installer Elevation of Privilege Vulnerability

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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:L/UI:N/S:U/C:N/I:N/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-2021-41379
Source: secure@microsoft.com
Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1308/
Source: secure@microsoft.com
Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41379
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1308/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-41379
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
1.3%
79th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-03-17

Weaknesses (CWE)

CWE-59 CWE-59

Affected Vendors

microsoft

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