CVE-2017-11793

HIGH

Microsoft Windows - Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-11793. PoCs published by Google Security Research.

AI-analyzed exploit summary This is a proof-of-concept exploit for a use-after-free vulnerability in jscript.dll, which can be triggered in Internet Explorer 11. The exploit leverages the JSON.stringify function to manipulate object references and force a garbage collection, leading to a use-after-free condition.

Description

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, 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-2017-11796, 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-2017-11809, CVE-2017-11810, CVE-2017-11811, CVE-2017-11812, and CVE-2017-11821.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · htmldoswindows
https://www.exploit-db.com/exploits/43368

This is a proof-of-concept exploit for a use-after-free vulnerability in jscript.dll, which can be triggered in Internet Explorer 11. The exploit leverages the JSON.stringify function to manipulate object references and force a garbage collection, leading to a use-after-free condition.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Internet Explorer 11
No auth needed
Prerequisites: Internet Explorer 11 · JavaScript execution
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039532
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/43368/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/101141

Scores

CVSS v3 7.5
EPSS 0.6165
EPSS Percentile 98.4%
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/internet_explorer 11
microsoft/internet_explorer 10
microsoft/internet_explorer 9
Microsoft Corporation/Internet Explorer Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows
Published Oct 13, 2017
Tracked Since Feb 18, 2026