CVE intelligence and bounded remediation

CVE-2017-11826 — Microsoft Office Remote Code Execution Vulnerability

High CVSS 9.3 CISA KEV

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.

Severity
High
CVSS
9.3 (2.0)
Published
2017-10-13
CISA KEV
Known exploited
Ecosystem
windows/system
Weaknesses
CWE-119

Affected products

  • 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

Showing 6 representative product identities from 13 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
  • Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
  • Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.

Remediate safely

  • Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
  • Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
  • Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.

Authoritative sources

Complete CVE record and remediation plan

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