CVEvulnerability
CVE-2017-11826
CISA Known Exploited Vulnerability
Microsoft Office Remote Code Execution Vulnerability — Microsoft Office
A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user.
- Added to KEV
- 2022-03-03
- Remediation due
- 2022-03-24
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2017-11826
- Status
- Analyzed
- Published
- 2017-10-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- 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 configurations
• microsoft office compatibility pack
• microsoft office online server 2016
• microsoft office web apps server 2010
• microsoft office web apps server 2013
• microsoft office word viewer
• microsoft sharepoint enterprise server 2016
• microsoft sharepoint server 2010
• microsoft sharepoint server 2013
• microsoft word 2007
• microsoft word 2010
• microsoft word 2013
• microsoft word 2016
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://www.securityfocus.com/bid/101219 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039541 Broken Link, Third Party Advisory, VDB Entry
- https://0patch.blogspot.com/2017/11/0patching-pretty-nasty-microsoft-word.html Exploit
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826 Patch, Vendor Advisory
- https://securingtomorrow.mcafee.com/mcafee-labs/analyzing-microsoft-office-zero-day-exploit-cve-2017-11826-memory-corruption-vulnerability/ Broken Link, Technical Description, Third Party Advisory
- https://www.tarlogic.com/en/blog/exploiting-word-cve-2017-11826/ Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/101219 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039541 Broken Link, Third Party Advisory, VDB Entry
- https://0patch.blogspot.com/2017/11/0patching-pretty-nasty-microsoft-word.html Exploit
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826 Patch, Vendor Advisory
- https://securingtomorrow.mcafee.com/mcafee-labs/analyzing-microsoft-office-zero-day-exploit-cve-2017-11826-memory-corruption-vulnerability/ Broken Link, Technical Description, Third Party Advisory
- https://www.tarlogic.com/en/blog/exploiting-word-cve-2017-11826/ Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11826 US Government Resource