Live › vulnerability › CVE-2021-31955
Go to dashboardA flaw in the Windows kernel lets a process read kernel memory it should not see. It is listed in CISA's known-exploited catalog, so attackers are using it in real attacks.
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.
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 information disclosure. Successful exploitation allows attackers to read the contents of kernel memory from a user-mode process.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2021-31955")
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.