Advisory Details

July 29th, 2024

Microsoft Word DOC File Parsing Use-After-Free Remote Code Execution Vulnerability

CVE ID
CVSS SCORE	7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Word
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Word. 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 parsing of DOC files. Crafted data in a DOC file can cause a pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS	Fixed in version 16.0.17231.20236
DISCLOSURE TIMELINE	2022-08-25 - Vulnerability reported to vendor 2024-07-29 - Coordinated public release of advisory 2024-08-15 - Advisory Updated
CREDIT	Hossein Lotfi of Trend Micro Zero Day Initiative

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