CVE-2017-0261
Published 2017-05-12 · Updated 2026-06-17 · Source secure@microsoft.com
Summary
CVE-2017-0261 is a high-severity (CVSS 7.8) vulnerability in Microsoft Office. CISA added it to the Known Exploited Vulnerabilities catalog on March 3, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by March 24, 2022. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.
All 390 known-exploited Microsoft vulnerabilities →Description
Microsoft Office 2010 SP2, Office 2013 SP1, and Office 2016 allow a remote code execution vulnerability when the software fails to properly handle objects in memory, aka "Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-0262 and CVE-2017-0281.
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Microsoft — Office
Name: Microsoft Office Use-After-Free Vulnerability
Date added: 2022-03-03 · Due: 2022-03-24
Required action: Apply updates per vendor instructions.
References
- http://www.securityfocus.com/bid/98104
- http://www.securitytracker.com/id/1038444
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0261
- http://www.securityfocus.com/bid/98104
- http://www.securitytracker.com/id/1038444
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0261
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0261