CVE-2024-21338
Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control Vulnerability
⚠ KEVEPSS 51.9%
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.
How to fix CVE-2024-21338
No package mapping is available — consult the references below for vendor-specific guidance.
Is CVE-2024-21338 being exploited?
Yes — CVE-2024-21338 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (0)
No package mapping in OSV.