CVE-2021-33739

HIGHCISA KEV

8.4

Description

Microsoft DWM Core Library Elevation of Privilege Vulnerability

CVE Details

CVSS v3.1 Score8.4

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published6/8/2021

Last Modified10/30/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorMicrosoft

ProductWindows

Vulnerability NameMicrosoft Desktop Window Manager (DWM) Core Library Privilege Escalation Vulnerability

KEV Date Added2021-11-03

Remediation Due Date2021-11-17

Ransomware UseUnknown

Affected Products

microsoft:windows_10_1909microsoft:windows_10_2004microsoft:windows_10_20h2microsoft:windows_10_21h1microsoft:windows_server_2004microsoft:windows_server_20h2

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33739(secure@microsoft.com)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33739(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-33739(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.