CVE-2017-11764

HIGH

Microsoft Edge - Remote Code Execution via Scripting Engine Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-11764. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a bug in Chakra's parser where 'eval' in a catch statement's parameter does not properly set the scope, leading to incorrect bytecode generation. The issue arises because the temporary block used for scope creation is not inserted into the AST.

Description

Microsoft Edge in Microsoft Windows 10 1607, 1703, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user, due to the way that the Microsoft Edge scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8649, CVE-2017-8660, CVE-2017-8729, CVE-2017-8738, CVE-2017-8740, CVE-2017-8741, CVE-2017-8748, CVE-2017-8752, CVE-2017-8753, CVE-2017-8755, and CVE-2017-8756.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · htmldoswindows
https://www.exploit-db.com/exploits/42765

This PoC exploits a bug in Chakra's parser where 'eval' in a catch statement's parameter does not properly set the scope, leading to incorrect bytecode generation. The issue arises because the temporary block used for scope creation is not inserted into the AST.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Microsoft ChakraCore (Edge/IE JavaScript engine)
No auth needed
Prerequisites: Target must execute the malicious JavaScript code
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/42765/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039342
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/100726

Scores

CVSS v3 7.5
EPSS 0.7668
EPSS Percentile 99.0%
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
Microsoft Corporation/Microsoft Edge Microsoft Windows 10 1607, 1703, and Windows Server 2016.
Published Sep 13, 2017
Tracked Since Feb 18, 2026