CVE-2024-21338 — Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control Vulnerability
2024-03-04 • CISA Known Exploited Vulnerability
[event] 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.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Microsoft |
| Product | Windows |
| CWE | CWE-822 |
| CVE ID | CVE-2024-21338 |
| Date Added | 2024-03-04 |
| Due Date | 2024-03-25 |
| Ransomware Campaign | Known — this vulnerability has been leveraged in ransomware campaigns |
> MITIGATION
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Due Date: 2024-03-25