CVE-2021-34518

Microsoft Excel Remote Code Execution Vulnerability

State: Published
Severity: 7.8 High
Published: Jul 14, 2021
Updated: Aug 10, 2026
Reserved: Jun 9, 2021

Description

Microsoft Excel Remote Code Execution Vulnerability

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
Microsoft Excel 2013 Service Pack 1Microsoft	15.0.0.0 to before 15.0.5363.1000Affected
Microsoft Excel 2016Microsoft	16.0.0.0 to before 16.0.5188.100Affected
Microsoft Office Web Apps Server 2013 Service Pack 1Microsoft	15.0.1 to before 15.0.5363.1000Affected

References

Microsoft Excel Remote Code Execution Vulnerabilityvendor-advisorypatch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34518

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