netVigilance Vulnerability intelligence since 2004
CVE-2020-1054 · netVigilance record NV21-0106

Microsoft Win32k Privilege Escalation

past due

What to do

Apply updates per vendor instructions.

CISA deadline 2022-05-03 · passed 4 years 4 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

Microsoft Win32k contains a privilege escalation vulnerability when the Windows kernel-mode driver fails to properly handle objects in memory. Successful exploitation allows an attacker to execute code in kernel mode.

Who is affected

Microsoft Win32k. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-787.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 4 years 4 months ago

Sources