EIP-2026-115680

PRE-CVE

Microsoft Internet Explorer 11 - MSHTML!CMarkupPointer::UnEmbed Use-After-Free

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115680. PoCs published by Marcin Ressel.

AI-analyzed exploit summary This is a proof-of-concept exploit for a use-after-free vulnerability in MSHTML (CMarkupPointer::UnEmbed) affecting Internet Explorer 11. The exploit triggers memory corruption via DOM manipulation and MutationObserver, leading to a potential remote code execution scenario.

Description

Microsoft Internet Explorer 11 - MSHTML!CMarkupPointer::UnEmbed Use-After-Free

Exploits (1)

exploitdb WORKING POC
by Marcin Ressel · htmldoswindows
https://www.exploit-db.com/exploits/39699

This is a proof-of-concept exploit for a use-after-free vulnerability in MSHTML (CMarkupPointer::UnEmbed) affecting Internet Explorer 11. The exploit triggers memory corruption via DOM manipulation and MutationObserver, leading to a potential remote code execution scenario.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Racy
Target: Internet Explorer 11 (MSHTML engine)
No auth needed
Prerequisites: Victim must visit a malicious webpage using Internet Explorer 11
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026