Is CVE-2017-11826 actively exploited?

CVE-2017-11826 has no public evidence of in-the-wild exploitation as of 2025-10-22.

What is the CVSS score for CVE-2017-11826?

CVE-2017-11826 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2017-11826?

Patch guidance is available from microsoft security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2017-11826.

Fix CVE-2017-11826 - HIGH | CVEDatabase.com

Q: Which products are affected by CVE-2017-11826?

13 products: microsoft office compatibility pack, microsoft office online server, microsoft office web apps server, microsoft office web apps server, microsoft office word viewer, and 8 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-119 · Memory Buffer Errors CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: MICROSOFT
Published: 10/13/2017
Last Modified: 10/22/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

microsoft : office_compatibility_packmicrosoft : office_online_servermicrosoft : office_web_apps_servermicrosoft : office_web_apps_servermicrosoft : office_word_viewermicrosoft : sharepoint_enterprise_servermicrosoft : sharepoint_servermicrosoft : sharepoint_servermicrosoft : wordmicrosoft : wordmicrosoft : wordmicrosoft : wordmicrosoft : word

Remediation Guidance

Executive Summary

View on NIST NVD