Microsoft Windows win32kfull UMPDDrvStartBanding Use-After-Free Local Privilege Escalation Vulnerability [CVE-2022-24542]

CVE number = CVE-2022-24542

This vulnerability allows local attackers to escalate privileges 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 the win32kfull driver. The issue results from the lack of validating the existence of an object prior to performing operations on the object.

An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

Microsoft has issued an update to correct this vulnerability.

More details can be found at:

Jason Davies

UK based technology professional, with an interest in computer security and telecoms.

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