What’s Vulnerable › Vulnerabilities
CVE-2017-11826: Microsoft Office Remote Code Execution Vulnerability
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: yes — in CISA KEV since 2022-03-03
- EPSS: 81.3% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2017-10-13 · updated 2026-06-17
- Weakness: CWE-119
Description
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.
Affected products
- Microsoft Office Compatibility Pack: all versions
- Microsoft Office Online Server: 2016
- Microsoft Office Web Apps Server: 2010-sp2, 2013-sp1
- Microsoft Office Word Viewer: all versions
- Microsoft SharePoint Server: 2016
- Microsoft SharePoint Server: 2010-sp2, 2013-sp1
- Microsoft Word for Android: 2007-sp3, 2010-sp2, 2013-sp1, 2016
- Microsoft Office: 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.
References
- http://www.securityfocus.com/bid/101219
- http://www.securitytracker.com/id/1039541
- https://0patch.blogspot.com/2017/11/0patching-pretty-nasty-microsoft-word.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826
- https://securingtomorrow.mcafee.com/mcafee-labs/analyzing-microsoft-office-zero-day-exploit-cve-2017-11826-memory-corruption-vulnerability/
- https://www.tarlogic.com/en/blog/exploiting-word-cve-2017-11826/
- http://www.securityfocus.com/bid/101219
- http://www.securitytracker.com/id/1039541
- https://0patch.blogspot.com/2017/11/0patching-pretty-nasty-microsoft-word.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826
- https://securingtomorrow.mcafee.com/mcafee-labs/analyzing-microsoft-office-zero-day-exploit-cve-2017-11826-memory-corruption-vulnerability/
- https://www.tarlogic.com/en/blog/exploiting-word-cve-2017-11826/
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