EIP-2026-115730

PRE-CVE

Microsoft Internet Explorer 9 - Cross-Site Scripting Filter Bypass

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115730. PoCs published by Jean Pascal Pereira.

AI-analyzed exploit summary This exploit demonstrates a bypass for the XSS filter in Internet Explorer 9 by using null bytes to obfuscate script tags. The PoC generates an HTML file with a malicious link that, when clicked, executes arbitrary JavaScript despite the filter.

Description

Microsoft Internet Explorer 9 - Cross-Site Scripting Filter Bypass

Exploits (1)

exploitdb WORKING POC
by Jean Pascal Pereira · textdoswindows
https://www.exploit-db.com/exploits/22100

This exploit demonstrates a bypass for the XSS filter in Internet Explorer 9 by using null bytes to obfuscate script tags. The PoC generates an HTML file with a malicious link that, when clicked, executes arbitrary JavaScript despite the filter.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Internet Explorer 9
No auth needed
Prerequisites: Victim must use Internet Explorer 9 · Victim must click a crafted link
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026