Live › vulnerability › CVE-2021-33739
Go to dashboardMicrosoft Desktop Window Manager (DWM) Core Library has a flaw that lets a local user raise their privileges. Exploitation of this bug is confirmed in the wild, per CISA's Known Exploited Vulnerabilities catalog.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Windows | vendor | – | – |
Unknown from the sources. In the analyst’s queue.
Apply the Microsoft Windows update that addresses CVE-2021-33739 per vendor instructions, as CISA requires.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Desktop Window Manager (DWM) Core Library contains an unspecified vulnerability that allows for privilege escalation.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2021-33739")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.