VulnerabilityAnalyzed
CVE-2017-11774
Microsoft Office Outlook Security Feature Bypass Vulnerability
KEVHIGH 7.8EPSS 59.9%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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."
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 59.89% probability · 99th percentile
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Weakness
- CWE-119
- Affected
- microsoft/outlook
- Source
- secure@microsoft.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-11774
References
- http://www.securityfocus.com/bid/101098Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039542Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11774Patch, Vendor Advisory
- https://sensepost.com/blog/2017/outlook-home-page-another-ruler-vector/Exploit
- http://www.securityfocus.com/bid/101098Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039542Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11774Patch, Vendor Advisory
- https://sensepost.com/blog/2017/outlook-home-page-another-ruler-vector/Exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11774US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.