CVE-2016-7194

HIGH

Microsoft Edge - Remote Code Execution via Chakra JavaScript Engine Memory Corruption

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-7194. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a type confusion vulnerability in Chakra (CVE-2016-7194) by manipulating array iteration side effects during Function.apply, leading to an information leak of memory pointers. The exploit uses a getter to modify the array type during iteration, triggering the vulnerability.

Description

The Chakra JavaScript engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-3386, CVE-2016-3389, and CVE-2016-7190.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Google Security Research · htmldoswindows

https://www.exploit-db.com/exploits/40603

View Code ZIP pw:eip

This PoC exploits a type confusion vulnerability in Chakra (CVE-2016-7194) by manipulating array iteration side effects during Function.apply, leading to an information leak of memory pointers. The exploit uses a getter to modify the array type during iteration, triggering the vulnerability.

Classification

Working Poc 95%

Attack Type

Info Leak

Complexity

Moderate

Reliability

Reliable

Target: Microsoft Chakra JavaScript Engine (Edge)

No auth needed

Prerequisites: Target must be using a vulnerable version of Chakra (e.g., Microsoft Edge before the patch)

MITRE ATT&CK

T1068 - Exploitation for Privilege Escalation

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

References (3)

Core 3

Core References

Vendor Advisory vendor-advisory x_refsource_ms

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-119

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1036993

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/93399

Scores

CVSS v3 7.5

EPSS 0.7900

EPSS Percentile 99.1%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE

CWE-119

Status published

Products (2)

microsoft/edge

nuget/Microsoft.ChakraCore 0NuGet

Published Oct 14, 2016

Tracked Since Feb 18, 2026