CVE-2017-11909

HIGH

ChakraCore and Windows 10/Server - Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-11909. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a control flow optimization bug in JavaScript engines (CVE-2017-11909) where empty loops are incorrectly removed, leading to unintended execution paths. The code demonstrates a type confusion vulnerability by manipulating array references and loop optimizations.

Description

ChakraCore and Windows 10 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11886, CVE-2017-11889, CVE-2017-11890, CVE-2017-11893, CVE-2017-11894, CVE-2017-11895, CVE-2017-11901, CVE-2017-11903, CVE-2017-11905, CVE-2017-11905, CVE-2017-11907, CVE-2017-11908, CVE-2017-11910, CVE-2017-11911, CVE-2017-11912, CVE-2017-11913, CVE-2017-11914, CVE-2017-11916, CVE-2017-11918, and CVE-2017-11930.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · javascriptdoswindows
https://www.exploit-db.com/exploits/43467

This PoC exploits a control flow optimization bug in JavaScript engines (CVE-2017-11909) where empty loops are incorrectly removed, leading to unintended execution paths. The code demonstrates a type confusion vulnerability by manipulating array references and loop optimizations.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Edge (Chakra JavaScript Engine)
No auth needed
Prerequisites: Target must be running a vulnerable version of Microsoft Edge
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/43467/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039990
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102085

Scores

CVSS v3 7.5
EPSS 0.7399
EPSS Percentile 98.9%
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 (4)
microsoft/chakracore < 1.7.5
microsoft/edge
Microsoft Corporation/ChakraCore, Microsoft Edge Windows 10 1511, 1607, 1703, 1709, and Windows Server 2016.
nuget/Microsoft.ChakraCore 0 - 1.7.5NuGet
Published Dec 12, 2017
Tracked Since Feb 18, 2026