CVE-2017-11826
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2022-03-03 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2022-03-24 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 82.2% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Added to CISA KEV
- 2022-03-03
- Exploit probability
- 82.2% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Analyzed
Affected
- 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
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-11826.md and follow it. Check whether this project is affected by CVE-2017-11826. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826
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/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11826