CVE-2017-11809

HIGH

ChakraCore & Microsoft Edge - Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-11809. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits CVE-2017-11809, a use-after-free vulnerability in Microsoft Edge's Chakra JavaScript engine. It triggers uninitialized pointer access by forcing a stack allocation failure during function execution.

Description

ChakraCore and Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, 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-2017-11792, CVE-2017-11793, CVE-2017-11796, CVE-2017-11797, CVE-2017-11798, CVE-2017-11799, CVE-2017-11800, CVE-2017-11801, CVE-2017-11802, CVE-2017-11804, CVE-2017-11805, CVE-2017-11806, CVE-2017-11807, CVE-2017-11808, CVE-2017-11810, CVE-2017-11811, CVE-2017-11812, and CVE-2017-11821.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · javascriptdoswindows
https://www.exploit-db.com/exploits/42999

This PoC exploits CVE-2017-11809, a use-after-free vulnerability in Microsoft Edge's Chakra JavaScript engine. It triggers uninitialized pointer access by forcing a stack allocation failure during function execution.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Edge (Chakra JavaScript engine)
No auth needed
Prerequisites: Microsoft Edge with vulnerable Chakra engine · Ability to execute JavaScript in the target environment
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/101137
Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/42999/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039532

Scores

CVSS v3 7.5
EPSS 0.6803
EPSS Percentile 99.2%
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 (3)
microsoft/chakracore < 1.7.2
microsoft/edge
Microsoft Corporation/ChakraCore, Microsoft Edge ChakraCore, Microsoft Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016.
Published Oct 13, 2017
Tracked Since Feb 18, 2026