Rule Category

BROWSER-IE -- Snort has detected traffic known to exploit vulnerabilities present in the Internet Explorer browser, or products that have the Trident or Tasman engines.

Alert Message

BROWSER-IE Microsoft Internet Explorer header tag HTML injection remote code execution attempt

Rule Explanation

This event is generated when an attempt is made to inject code into Edge using malformed header tags Impact: Attempted User Privilege Gain Details: Ease of Attack:

What To Look For

Known Usage

No public information

False Positives

No known false positives


Cisco Talos Intelligence Group

MITRE ATT&CK Framework



For reference, see the MITRE ATT&CK vulnerability types here:


Additional Links

Rule Vulnerability

CVE Additional Information

Microsoft Internet Explorer 11 and Microsoft Edge allow remote attackers to conduct content-spoofing attacks via a crafted URL, aka "Microsoft Browser Spoofing Vulnerability."
Severity Base Score3.1
Impact Score1.4 Exploit Score1.6
Confidentiality ImpactNONE Integrity ImpactLOW
Availability ImpactNONE Access Vector
Authentication Ease of Access