Published: 08/06/2021 Updated: 14/06/2021
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

This vulnerability allows remote malicious users 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.

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microsoft 365 apps -

microsoft excel 2013

microsoft excel 2016

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