# CVE-2018-0802

Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execution vulnerability due to the way objects are handled in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE is unique from CVE-2018-0797 and CVE-2018-0812.

- Page: https://www.vulneraibility.com/cve/CVE-2018-0802
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2022-05-03; known ransomware use
- EPSS: 93.29% (percentile 99.8)
- Unvetted proof-of-concept code on GitHub: 6 GitHub proofs of concept (first 2018-01-11)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-07)
- Weakness: CWE-787
- Published: 2018-01-10

## Affected versions

- Microsoft Corporation Equation Editor: affected Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016

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

## References

- [other] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802
- [other] https://github.com/rxwx/CVE-2018-0802
- [other] http://www.securitytracker.com/id/1040153
- [other] https://0patch.blogspot.com/2018/01/the-bug-that-killed-equation-editor-how.html
- [other] http://www.securityfocus.com/bid/102347
- [other] https://github.com/zldww2011/CVE-2018-0802_POC
- [other] https://research.checkpoint.com/another-office-equation-rce-vulnerability/
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0802

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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.