# CVE-2024-21338: A Microsoft Windows bug is being used in attacks

Status: Being used now (CISA KEV, added 2024-03-04)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Microsoft Windows (CVE-2024-21338) 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-2024-21338. 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 exposed IOCTL with insufficient access control vulnerability within the IOCTL (input and output control) dispatcher in appid.sys that allows a local attacker to achieve privilege escalation.

## Sources
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338
- https://nvd.nist.gov/vuln/detail/CVE-2024-21338
- https://nvd.nist.gov/vuln/detail/CVE-2024-21338

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