EIP-2026-115649

PRE-CVE

Microsoft Edge Chakra JIT - 'InlineArrayPush' Type Confusion

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115649. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a type confusion vulnerability in JavaScript engines by manipulating array operations through the `Array.prototype.push` method, bypassing a previous patch. It triggers type confusion by pushing a specific value and then overwriting an array element with a carefully chosen floating-point number.

Description

Microsoft Edge Chakra JIT - 'InlineArrayPush' Type Confusion

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · javascriptdoswindows
https://www.exploit-db.com/exploits/45216

This PoC exploits a type confusion vulnerability in JavaScript engines by manipulating array operations through the `Array.prototype.push` method, bypassing a previous patch. It triggers type confusion by pushing a specific value and then overwriting an array element with a carefully chosen floating-point number.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: JavaScript engine (likely V8 or similar)
No auth needed
Prerequisites: JavaScript engine with the specific vulnerability
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026