ACTIVELY EXPLOITED

CVE-2014-4113: Microsoft Win32k Privilege Escalation Vulnerability

Facts
VendorMicrosoft
ProductWin32k
Actively exploitedYes
Added to CISA KEV4 May 2022
CISA federal deadline25 May 2022
Weakness (CWE)CWE-264

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.

SOURCES

Other Microsoft flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.