CVE-2014-4123: Microsoft Internet Explorer Privilege Escalation Vulnerability

High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2022-05-25. EPSS: 47.1% chance of exploitation in the next 30 days.

Microsoft Internet Explorer 7 through 11 allows remote attackers to gain privileges via a crafted web site, aka "Internet Explorer Elevation of Privilege Vulnerability," as exploited in the wild in October 2014, a different vulnerability than CVE-2014-4124.

Affected products

• Microsoft Internet Explorer: version 7 only; version 8 only; version 9 only; version 10 only; version 11 only

Published 2014-10-15. Last modified 2026-06-17.