CVE-2017-11810

HIGH

Microsoft Windows <10 - Code Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-11810. PoCs published by Google Security Research.

AI-analyzed exploit summary This is a use-after-free exploit in jscript.dll, triggered via IE11 in IE8 compatibility mode. It manipulates an Error object's properties to cause a heap overflow during string conversion, leading to a crash in memcpy.

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-2017-11793, 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-2017-11811, CVE-2017-11812, and CVE-2017-11821.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · htmldoswindows
https://www.exploit-db.com/exploits/43131

This is a use-after-free exploit in jscript.dll, triggered via IE11 in IE8 compatibility mode. It manipulates an Error object's properties to cause a heap overflow during string conversion, leading to a crash in memcpy.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Internet Explorer 11 (with IE8 compatibility mode)
No auth needed
Prerequisites: IE11 with IE8 compatibility mode enabled · User interaction to load the malicious HTML
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/101081
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/43131/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039532

Scores

CVSS v3 7.5
EPSS 0.5389
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/internet_explorer 9
microsoft/internet_explorer 10
microsoft/internet_explorer 11
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