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CVE-2013-3660

CISA KEV

Published March 28, 2022 · Updated April 3, 2026

high
Official Description+

The EPATHOBJ::pprFlattenRec function in win32k.sys in the kernel-mode drivers in Microsoft does not properly initialize a pointer for the next object in a certain list, which allows local users to gain privileges.

Affected Products

VendorProduct
MicrosoftWin32k

Patch Status

Patch by 2022-04-18

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2013-3660.