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zdiKdotZDI-22-809
HistoryJun 01, 2022 - 12:00 a.m.

Microsoft Excel XLS File Parsing Use-After-Free Remote Code Execution Vulnerability

2022-06-0100:00:00
kdot
www.zerodayinitiative.com
32
microsoft excel
xls file parsing
remote code execution

EPSS

0.008

Percentile

81.9%

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Excel. 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 XLS files. 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 execute code in the context of the current process.