CVE-2009-1920

Published: Sep 8, 2009Modified: Apr 23, 2026

9.3

Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability: 8.6 / Impact: 10.0

Source: NVD

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 (17)

Products: Microsoft: Windows 2000, Windows Server 2003, Windows Server 2008, Windows Vista, Windows Xp

5 products

Configuration A

17 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 2000	All versions
Microsoft Windows Server 2003	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Vista	All versions
Microsoft Windows Vista	All versions
Microsoft Windows Vista	All versions
Microsoft Windows Vista	All versions
Microsoft Windows Vista	All versions
Microsoft Windows Vista	All versions
Microsoft Windows Xp	All versions
Microsoft Windows Xp	All versions
Microsoft Windows Xp	All versions