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.
Recommended action
Apply updates per vendor instructions.
CISA remediation due date for U.S. federal agencies: 18 Apr 2022.
Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.