CVE-2015-2482

Microsoft JScript and VBScript - Remote Code Execution via Crafted Replace Operation with JavaScript Regular Expression

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2015-2482. PoCs published by Skylined.

AI-analyzed exploit summary This PoC exploits a use-after-free vulnerability in Microsoft Internet Explorer 8's JavaScript engine by forcing the reuse of freed string memory during regular expression recompilation. The exploit leverages heap manipulation techniques to trigger the vulnerability.

Description

The Microsoft (1) VBScript 5.7 and 5.8 and (2) JScript 5.7 and 5.8 engines, as used in Internet Explorer 8 through 11 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted replace operation with a JavaScript regular expression, aka "Scripting Engine Memory Corruption Vulnerability."

Exploits (1)

exploitdb WORKING POC VERIFIED
by Skylined · htmldoswindows
https://www.exploit-db.com/exploits/40798

This PoC exploits a use-after-free vulnerability in Microsoft Internet Explorer 8's JavaScript engine by forcing the reuse of freed string memory during regular expression recompilation. The exploit leverages heap manipulation techniques to trigger the vulnerability.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Racy
Target: Microsoft Internet Explorer 8
No auth needed
Prerequisites: Target must visit a specially crafted web-page · JavaScript must be enabled in the target's browser
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1033800
Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2015/Oct/54
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/40798/
Third Party Advisory, VDB Entry x_refsource_misc
http://www.zerodayinitiative.com/advisories/ZDI-15-515

Scores

EPSS 0.6410
EPSS Percentile 98.5%

Details

CWE
CWE-119
Status published
Products (6)
microsoft/jscript 5.6
microsoft/jscript 5.7
microsoft/jscript 5.8
microsoft/vbscript 5.6
microsoft/vbscript 5.7
microsoft/vbscript 5.8
Published Oct 14, 2015
Tracked Since Feb 18, 2026