EIP-2026-115682

PRE-CVE

Microsoft Internet Explorer 11 - WeakMap Integer Divide-by-Zero

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115682. PoCs published by Pawel Wylecial.

AI-analyzed exploit summary This exploit triggers a divide-by-zero error in Microsoft Internet Explorer 11 by manipulating WeakMap objects, leading to a denial-of-service (DoS) condition. The PoC demonstrates a crash in the jscript9 engine when handling weakly referenced key dictionaries.

Description

Microsoft Internet Explorer 11 - WeakMap Integer Divide-by-Zero

Exploits (1)

exploitdb WORKING POC VERIFIED
by Pawel Wylecial · htmldoswindows
https://www.exploit-db.com/exploits/33587

This exploit triggers a divide-by-zero error in Microsoft Internet Explorer 11 by manipulating WeakMap objects, leading to a denial-of-service (DoS) condition. The PoC demonstrates a crash in the jscript9 engine when handling weakly referenced key dictionaries.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Internet Explorer 11
No auth needed
Prerequisites: Microsoft Internet Explorer 11 on Windows 7/8
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026