EIP-2026-115647

PRE-CVE

Microsoft Edge Chakra - OP_Memset Type Confusion

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115647. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit leverages a type confusion vulnerability in JavaScript engines by manipulating the OP_Memset operation to bypass input validation, similar to CVE-2018-8372. It uses Proxy and array manipulations to trigger the vulnerability, potentially leading to arbitrary memory manipulation.

Description

Microsoft Edge Chakra - OP_Memset Type Confusion

Exploits (1)

exploitdb WORKING POC VERIFIED

by Google Security Research · javascriptdoswindows

https://www.exploit-db.com/exploits/45889

View Code ZIP pw:eip

This exploit leverages a type confusion vulnerability in JavaScript engines by manipulating the OP_Memset operation to bypass input validation, similar to CVE-2018-8372. It uses Proxy and array manipulations to trigger the vulnerability, potentially leading to arbitrary memory manipulation.

Classification

Working Poc 90%

Attack Type

Rce

Complexity

Complex

Reliability

Theoretical

Target: JavaScript engines (likely targeting a specific browser or runtime, e.g., V8 or ChakraCore)

No auth needed

Prerequisites: Victim must execute the JavaScript code in a vulnerable environment

MITRE ATT&CK

T1068 - Exploitation for Privilege Escalation T1190 - Exploit Public-Facing Application

devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026