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CVE-2024-21338 - Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control Vulnerability

CVE-2024-21338

Microsoft | Windows

  • Date Added:
  • 2024-03-04
  • Due Date:
  • 2024-03-25
Vulnerability Name

Microsoft Windows Kernel Exposed IOCTL with Insufficient Access Control Vulnerability

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.

Known To Be Used in Ransomware Campaigns?

Known

Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Additional Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338; https://nvd.nist.gov/vuln/detail/CVE-2024-21338
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