CVE-2014-4123
Published: May 25, 2022
Official Description
Microsoft Internet Explorer contains an unspecified vulnerability that allows remote attackers to gain privileges via a crafted web site.
CISA KEV Advisory
Microsoft Internet Explorer Privilege Escalation Vulnerability
Microsoft Internet Explorer contains an unspecified vulnerability that allows remote attackers to gain privileges via a crafted web site.
Apply updates per vendor instructions.
Risk Analysis
This unspecified vulnerability in Microsoft Internet Explorer allows remote attackers to gain privileges through a specially crafted website. With an EPSS score of 0.52879, there is a high likelihood of exploitation. Its inclusion in CISA's KEV catalog confirms it is actively exploited.
This vulnerability has been actively exploited in the wild and is listed in CISA's Known Exploited Vulnerabilities catalog. It is remotely exploitable via a crafted website.
Users should apply the latest security updates for Microsoft Internet Explorer. Consider using modern, supported browsers with enhanced security features.
Technical Analysis
CVE-2014-4123 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2014-4123 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2014-4123 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1