CVE-2017-0037
Published: March 28, 2022
Official Description
Microsoft Edge and Internet Explorer have a type confusion vulnerability in mshtml.dll, which allows remote code execution.
CISA KEV Advisory
Microsoft Edge and Internet Explorer Type Confusion Vulnerability
Microsoft Edge and Internet Explorer have a type confusion vulnerability in mshtml.dll, which allows remote code execution.
Apply updates per vendor instructions.
Risk Analysis
This type confusion vulnerability in mshtml.dll affects Microsoft Edge and Internet Explorer, enabling remote code execution. With a high EPSS score of 0.92091 and its inclusion in CISA's KEV catalog, this vulnerability poses a significant and urgent threat.
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 Microsoft Edge and Internet Explorer to the latest available versions. Consider using modern browsers with robust security features.
Technical Analysis
CVE-2017-0037 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-2017-0037 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-2017-0037 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