CVE-2017-11826

7.8 HIGH CISA KEV - Actively Exploited
Published: October 13, 2017 Modified: October 22, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/101219
Source: secure@microsoft.com
Broken Link Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039541
Source: secure@microsoft.com
Broken Link Third Party Advisory VDB Entry
https://0patch.blogspot.com/2017/11/0patching-pretty-nasty-microsoft-word.html
Source: secure@microsoft.com
Exploit
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826
Source: secure@microsoft.com
Patch Vendor Advisory
https://securingtomorrow.mcafee.com/mcafee-labs/analyzing-microsoft-office-zero-day-exploit-cve-2017-11826-memory-corruption-vulnerability/
Source: secure@microsoft.com
Broken Link Technical Description Third Party Advisory
https://www.tarlogic.com/en/blog/exploiting-word-cve-2017-11826/
Source: secure@microsoft.com
Exploit Third Party Advisory
http://www.securityfocus.com/bid/101219
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039541
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Third Party Advisory VDB Entry
https://0patch.blogspot.com/2017/11/0patching-pretty-nasty-microsoft-word.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://securingtomorrow.mcafee.com/mcafee-labs/analyzing-microsoft-office-zero-day-exploit-cve-2017-11826-memory-corruption-vulnerability/
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Technical Description Third Party Advisory
https://www.tarlogic.com/en/blog/exploiting-word-cve-2017-11826/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11826
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

13 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
90.3%
100th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-03-24

Weaknesses (CWE)

CWE-119 CWE-119

Affected Vendors

microsoft

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