EIP-2026-103435

PRE-CVE

Chrome V8 JIT - 'GetSpecializationContext' Type Confusion

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103435. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a type confusion vulnerability in JavaScript engines by manipulating the environment context during optimization, leading to a crash or potential arbitrary code execution. The issue arises from incorrect handling of the LdaNamedProperty operation and environment merging in the graph builder.

Description

Chrome V8 JIT - 'GetSpecializationContext' Type Confusion

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · javascriptdosmultiple
https://www.exploit-db.com/exploits/44259

This PoC exploits a type confusion vulnerability in JavaScript engines by manipulating the environment context during optimization, leading to a crash or potential arbitrary code execution. The issue arises from incorrect handling of the LdaNamedProperty operation and environment merging in the graph builder.

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

Details

Status pre_cve
Tracked Since Feb 18, 2026