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 Edge buffer manipulation out-of-bounds read attempt

Rule Explanation

This event is generated when a malicious crafted web page designed to exploit Microsoft Edge browser is detected. Impact: Attempted User Privilege Gain Details: An out of bound read issue exist in Window's Edge. The vulnerability can be exploited to bypass ASLR. 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

CVE Additional Information

An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft Edge, aka 'Scripting Engine Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0648.
Severity Base Score
Impact Score Exploit Score
Confidentiality Impact Integrity Impact
Availability Impact Access Vector
Authentication Ease of Access