Microsoft Office Visio Untrusted Pointer Dereference Remote Code Execution Vulnerability [CVE-2022-24509]

CVE number – CVE-2022-24509

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Office Visio.

User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the processing of EMR_COMMENT_EMFPLUS records in EMF images.

The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer.

An attacker can leverage this vulnerability to execute code in the context of the current process.

Microsoft has issued an update to correct this vulnerability.

More details can be found at:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24509

Jason Davies

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

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