# CVE-2021-27059

Microsoft Office Remote Code Execution Vulnerability

- Page: https://www.vulneraibility.com/cve/CVE-2021-27059
- CVSS: 7.6
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2021-11-17
- EPSS: 6.08% (percentile 93.5)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-04)
- Published: 2021-03-11

## Affected versions

- Microsoft Microsoft Office 2010 Service Pack 2: affected >= 13.0.0.0 and < 14.0.7266.5000
- Microsoft Microsoft Office 2013 Service Pack 1: affected >= 15.0.0 and < publication
- Microsoft Microsoft Office 2016: affected >= 16.0.0 and < 16.0.5134.1000

A version outside these ranges is not a statement that it is unaffected.

## References

- [patch] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27059
- [other] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27059
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27059

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.