CVE-2019-0752
Published: February 15, 2022
Official Description
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer
CISA KEV Advisory
Microsoft Internet Explorer Type Confusion Vulnerability
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer
Apply updates per vendor instructions.
Risk Analysis
This remote code execution vulnerability exists in Internet Explorer due to how the scripting engine handles objects in memory. The high EPSS score of 0.92041 and its inclusion in CISA's KEV catalog highlight the significant risk and urgency of addressing this flaw.
This vulnerability has been actively exploited in the wild and is part of CISA's Known Exploited Vulnerabilities catalog. It is remotely exploitable.
Users should update Internet Explorer to the latest available versions. Consider migrating to more modern, supported web browsers.
Technical Analysis
CVE-2019-0752 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-2019-0752 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.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-0752 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