HIGHCVSS v3.1 7.8Actively exploited · CISA KEV since 2022-04-25Vulnerability

CVE-2021-41357

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

Properties

Euvd product
Windows Server version 20H2, Windows 10 Version 20H2, Windows 10 Version 2004, Windows 10 Version 21H1, Windows 11 version 21H2, Windows Server 2022, Windows Server version 2004
Vulnerability name
Microsoft Win32k Privilege Escalation Vulnerability
First seen
2025-10-21T23:25:28+00:00
Cvss score
7.8
Epss score
0.01582
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-05-16
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-04-25T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-04-25
Score
7.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Microsoft
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8

Related Entities (9)

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CVE-2021-41357 (CVSS v3.1 7.8) — Ninja Signal Threat Intelligence | Ninja Signal