CVE-2021-41357

Known Exploited

Win32k Elevation of Privilege Vulnerability

Description

Win32k Elevation of Privilege Vulnerability

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 12.04% Top 10%

KEV Since

Vendor Advisory microsoft.com

Affected: Microsoft Windows 10 Version 21H1

Affected: Microsoft Windows Server 2022

Affected: Microsoft Windows 10 Version 2004

Affected: Microsoft Windows Server version 2004

Affected: Microsoft Windows 10 Version 20H2

Affected: Microsoft Windows Server version 20H2

Affected: Microsoft Windows 11 version 21H2

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41357	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-41357?: CVE-2021-41357 has been scored as a high severity vulnerability.
How to fix CVE-2021-41357?: To fix CVE-2021-41357, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-41357 being actively exploited in the wild?: It is confirmed that CVE-2021-41357 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~12% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-41357?: CVE-2021-41357 affects Microsoft Windows 10 Version 21H1, Microsoft Windows Server 2022, Microsoft Windows 10 Version 2004, Microsoft Windows Server version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows Server version 20H2, Microsoft Windows 11 version 21H2.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.