CVE-2017-0222
Published 2017-05-12 · Updated 2026-06-17 · Source secure@microsoft.com
Summary
CVE-2017-0222 is a high-severity (CVSS 8.8) vulnerability in Microsoft Internet Explorer. CISA added it to the Known Exploited Vulnerabilities catalog on February 25, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by August 25, 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
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0226.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Microsoft — Internet Explorer
Name: Microsoft Internet Explorer Remote Code Execution Vulnerability
Date added: 2022-02-25 · Due: 2022-08-25
Required action: Apply updates per vendor instructions.
References
- http://www.securityfocus.com/bid/98127
- http://www.securitytracker.com/id/1038423
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0222
- http://www.securityfocus.com/bid/98127
- http://www.securitytracker.com/id/1038423
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0222
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0222