CVE-2011-1998

Published: Oct 12, 2011Modified: Apr 29, 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

Microsoft Internet Explorer 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that was not properly initialized, aka "Jscript9.dll Remote Code Execution Vulnerability."

Affected (1)

Products: Microsoft: Internet Explorer

Microsoft

1 product

Internet Explorer

Configuration A

1 vulnerable · 6 platform

Vulnerable Software	Affected Versions
Microsoft Internet Explorer	Version 9

Running on/with	Platform Versions
Microsoft Windows 7	All versions
Microsoft Windows 7	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	Version r2
Microsoft Windows Server 2008	Version r2 sp1
Microsoft Windows Vista	All versions