CVE-2017-11826
Microsoft Corporation Microsoft Office
Published 13 Oct 2017 · updated 17 Jun 2026 · Analyzed
7.8 High · CVSS 3.1, NVD
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 3 Mar 2022, with a remediation deadline of 24 Mar 2022 for US federal agencies.
Required action: Apply updates per vendor instructions.
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.
References
- www.securityfocus.com/bid/101219 · Broken Link, Third Party Advisory, VDB Entry
- www.securitytracker.com/id/1039541 · Broken Link, Third Party Advisory, VDB Entry
- 0patch.blogspot.com/2017/11/0patching-pretty-nasty-microsoft-word.html · Exploit
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826 · Patch, Vendor Advisory
- securingtomorrow.mcafee.com/mcafee-labs/analyzing-microsoft-office-zero-day-exploit-cve-2017-11826-memory-corruption-vulnerability/ · Broken Link, Technical Description, Third Party Advisory
- www.tarlogic.com/en/blog/exploiting-word-cve-2017-11826/ · Exploit, Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11826 · US Government Resource