CVE-2021-40450

7.8
HIGHCVSS v3.1 Base Score
5.59%
LOW RiskEPSS (90th percentile)
NVD-CWE-noinfo

Win32k Elevation of Privilege Vulnerability

Published: 10/13/2021
Modified: 10/30/2025
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Vulnerability Summary

CVSS v3 Score

7.8HIGH

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

CVSS v2 Score

4.6

AV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS Score (Exploitation Probability)

5.59%LOW Exploitation Risk
90th percentile

This vulnerability has a 5.59% probability of being exploited in the next 30 days, ranking higher than 90% of all scored CVEs.

CWE Classification

NVD-CWE-noinfo

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