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CVE-2023-21823

HighPublished

Windows Graphics Component Remote Code Execution Vulnerability

Published: Feb 14, 2023
Updated: Oct 21, 2025
Assigning CNA: microsoft
Evidence observed: Feb 14, 2023

Primary CVSS

7.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

5.6%

Low · next 30 days

Percentile: 92.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

Windows Graphics Component Remote Code Execution Vulnerability

Sources

CVE-2023-21823PoC
CVE-2023-21823 PoC

Responsible use

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