CVE-2024-21338: Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control Vulnerability
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. Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
· high severity · unattributed attribution
Evidence and provenance
- Original source
- CISA KEV report ↗
- Published
- 2024-03-04T00:00:00Z
- Confidence basis
- No actor match
- Record ID
7ab6928f2bd608dad1ea
Vulnerabilities
CVE-2024-21338
Use and citation
Verify the original report before making operational decisions. Cite this permanent page together with the original source, publication date, confidence level, and review status.