Apr 2021: Win32k Elevation of Privilege Vulnerability
CVE-2021-28310 Published on April 13, 2021

Win32k Elevation of Privilege Vulnerability
Win32k Elevation of Privilege Vulnerability

NVD

Known Exploited Vulnerability

This Microsoft Win32k Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Win32k Privilege Escalation Vulnerability. This CVE ID is unique from CVE-2021-27072.

The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.

Weakness Type

What is a Memory Corruption Vulnerability?

The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.

CVE-2021-28310 has been classified to as a Memory Corruption vulnerability or weakness.

Products Associated with CVE-2021-28310

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-28310 are published in these products:

Microsoft Windows 10

Microsoft Windows Server 2016

Microsoft Windows Server 2019

Microsoft Windows Server 2004

Microsoft Windows 10 1909

Microsoft Windows 10 1803

Microsoft Windows 10 2004

Microsoft Windows Server 20h2

Microsoft Windows Server 1909

Affected Versions

Microsoft Windows 10 Version 1803:

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server 2019:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 1909:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server, version 1909 (Server Core installation):

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 2004:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server version 2004:

Version 10.0.0 and below publication is affected.

Microsoft Windows 10 Version 20H2:

Version 10.0.0 and below publication is affected.

Microsoft Windows Server version 20H2:

Version 10.0.0 and below publication is affected.

Exploit Probability

EPSS

27.82%

Percentile

96.35%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.