Live › vulnerability › CVE-2021-31979
Go to dashboardMicrosoft Windows kernel has an unspecified flaw that lets a local user raise their privileges. An attacker with a low-privilege account on the machine can gain SYSTEM-level control.
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 security update per vendor instructions (CISA required action); the specific KB or build number is not in the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Windows kernel 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-2021-31979")
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.