Live › vulnerability › CVE-2021-41379
Go to dashboardMicrosoft Windows Installer has a flaw that lets a low-privileged local user escalate to higher privileges on the machine. CISA lists it as known exploited, and the sources note ransomware use.
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.
Apply the Microsoft security update for CVE-2021-41379 per vendor instructions (CISA KEV required action).
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Windows Installer 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-2021-41379")
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.