Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2017-11774

CVE-2017-11774HIGH

Microsoft Office

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   N   R  U  H  H  H    7.8   .5963   99.1   YES

AFFECTED
  Product            Versions                      Fixed
  Microsoft Outlook  Microsoft Outlook 2010 SP2 –  —

TIMELINE
  Jul 31  Reserved by microsoft
  Oct 13  Published (CNA: microsoft)
  Nov 3   Added to CISA KEV, remediation due 2022-05-03

CWE-119 · CNA: microsoft · CVSS v3.1 · 5 references · KEV due May 3, 2022

Description

Microsoft Outlook 2010 SP2, Outlook 2013 SP1 and RT SP1, and Outlook 2016 allow an attacker to execute arbitrary commands, due to how Microsoft Office handles objects in memory, aka "Microsoft Outlook Security Feature Bypass Vulnerability."

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
July 31, 2017	Reserved	Reserved by microsoft
October 13, 2017	Published	Published (CNA: microsoft)
November 3, 2021	KEV ADDED	Added to CISA KEV, remediation due 2022-05-03

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft Corporation	Microsoft Outlook	—	Microsoft Outlook 2010 SP2	—

Weaknesses

CWE-119

References (5)

http://www.securityfocus.com/bid/101098 [vdb-entry, x_refsource_BID]
http://www.securitytracker.com/id/1039542 [vdb-entry, x_refsource_SECTRACK]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11774 [x_refsource_CONFIRM]
https://sensepost.com/blog/2017/outlook-home-page-another-ruler-vector/ [x_refsource_MISC]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11774 [government-resource]

Authoritative record: CVE-2017-11774 at cve.org

Vendors: microsoft

Weaknesses: CWE-119

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2017-11774 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.