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CVE-2009-1920

CRITICAL CVSS: 9.3 Published: 2009-09-08 Modified: 2026-06-16

Description

The JScript scripting engine 5.1, 5.6, 5.7, and 5.8 in JScript.dll in Microsoft Windows, as used in Internet Explorer, does not properly load decoded scripts into memory before execution, which allows remote attackers to execute arbitrary code via a crafted web site that triggers memory corruption, aka "JScript Remote Code Execution Vulnerability."

Affected Platforms

Microsoft Windows XpMicrosoft Windows Server 2003Microsoft Windows Server 2008Microsoft Windows 2000Microsoft Windows Vista

Weakness Type

CWE-94

References