CVE-2021-1732

Known Exploited Public Exploit

Windows Win32k Elevation of Privilege Vulnerability

Description

Windows Win32k Elevation of Privilege Vulnerability

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1732	patch vendor advisory
http://packetstormsecurity.com/files/161880/Win32k-ConsoleControl-Offset-Confusion.html	exploit vdb entry third party advisory
http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.html	exploit vdb entry third party advisory

What is the severity of CVE-2021-1732?: CVE-2021-1732 has been scored as a high severity vulnerability.
How to fix CVE-2021-1732?: To fix CVE-2021-1732, 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-2021-1732 being actively exploited in the wild?: It is confirmed that CVE-2021-1732 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~91% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-1732?: CVE-2021-1732 affects Microsoft Windows 10 Version 1803, Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows 10 Version 1909, Microsoft Windows Server, version 1909 (Server Core installation), Microsoft Windows 10 Version 2004, Microsoft Windows Server version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows Server version 20H2.