CVE-2017-11774

7.8 HIGH CISA KEV - Actively Exploited

Published: October 13, 2017 Modified: October 22, 2025

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."

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

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/101098

Source: secure@microsoft.com

Broken Link Third Party Advisory VDB Entry

http://www.securitytracker.com/id/1039542

Source: secure@microsoft.com

Broken Link Third Party Advisory VDB Entry

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11774

Source: secure@microsoft.com

Patch Vendor Advisory

https://sensepost.com/blog/2017/outlook-home-page-another-ruler-vector/

Source: secure@microsoft.com

Exploit

http://www.securityfocus.com/bid/101098

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link Third Party Advisory VDB Entry

http://www.securitytracker.com/id/1039542

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link Third Party Advisory VDB Entry

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11774

Source: af854a3a-2127-422b-91ae-364da2661108

Patch Vendor Advisory

https://sensepost.com/blog/2017/outlook-home-page-another-ruler-vector/

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11774

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

9 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.8 / 10.0

EPSS (Exploit Probability)

82.9%

99th percentile

Exploitation Status

Actively Exploited

Remediation due: 2022-05-03

Weaknesses (CWE)

CWE-119 CWE-119

Affected Vendors

microsoft

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