ACTIVELY EXPLOITED

CVE-2023-21823: Microsoft Windows Graphic Component Privilege Escalation Vulnerability

Facts
VendorMicrosoft
ProductWindows
Actively exploitedYes
Added to CISA KEV14 Feb 2023
CISA federal deadline7 Mar 2023
Weakness (CWE)CWE-190

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

Microsoft Windows Graphic Component 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.