CVE-2022-21876: Microsoft Windows DirectComposition Out-Of-Bounds Read Information Disclosure Vulnerability

First published: Tue Jan 11 2022(Updated: )

This vulnerability allows local attackers to disclose sensitive information on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within DirectComposition. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel.

Credit: secure@microsoft.com secure@microsoft.com

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