# CVE-2021-31955: A Microsoft Windows bug is being used in attacks

Status: Being used now (CISA KEV, added 2021-11-03)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Microsoft Windows (CVE-2021-31955) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2021-31955. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
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.

## Sources
- https://nvd.nist.gov/vuln/detail/CVE-2021-31955
- https://nvd.nist.gov/vuln/detail/CVE-2021-31955

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.