All CVE records
CVE-2024-21338 — Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control Vulnerability
Known ransomware use
CISA KEV listed
Added March 4, 2024 Remediate by March 25, 2024
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.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338; https://nvd.nist.gov/vuln/detail/CVE-2024-21338
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