CVE-2017-11911

HIGH

ChakraCore & Windows - Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-11911. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a type confusion vulnerability in ChakraCore's AsmJS handling, where an integer variable is incorrectly treated as a double constant, leading to an out-of-bounds read. The exploit triggers the issue by redefining a variable after its use in initialization.

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-2017-11909, CVE-2017-11910, 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/43468

This PoC exploits a type confusion vulnerability in ChakraCore's AsmJS handling, where an integer variable is incorrectly treated as a double constant, leading to an out-of-bounds read. The exploit triggers the issue by redefining a variable after its use in initialization.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
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
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102087
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039990
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/43468/

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 ChakraCore and 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