CVE-2024-21338 — Actively Exploited: Windows (Microsoft)
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.
| CVE ID | CVE-2024-21338 |
|---|---|
| Vendor | Microsoft |
| Product | Windows |
| Vulnerability name | Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control Vulnerability |
| Date added | 2024-03-04 |
| Remediation due | 2024-03-25 |
| Known ransomware use | Known |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
| 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. |
| Source | CISA Known Exploited Vulnerabilities |
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