# CVE-2017-11826

Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.

- Page: https://www.vulneraibility.com/cve/CVE-2017-11826
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2022-03-03; CISA due date 2022-03-24
- EPSS: 82.22% (percentile 99.7)
- Unvetted proof-of-concept code on GitHub: 1 GitHub proof of concept (first 2018-02-09)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-10)
- Weakness: CWE-119
- Published: 2017-10-13

## Affected versions

- Microsoft Corporation Microsoft Office: affected Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, Office Online Server.

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-2017-11826
- [other] https://0patch.blogspot.com/2017/11/0patching-pretty-nasty-microsoft-word.html
- [other] http://www.securityfocus.com/bid/101219
- [other] https://www.tarlogic.com/en/blog/exploiting-word-cve-2017-11826/
- [other] http://www.securitytracker.com/id/1039541
- [other] https://securingtomorrow.mcafee.com/mcafee-labs/analyzing-microsoft-office-zero-day-exploit-cve-2017-11826-memory-corruption-vulnerability/
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11826

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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.