CVE-2011-1998

Microsoft Internet Explorer 9 - RCE

Title source: llm
STIX 2.1

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."

References (3)

Core 3
Core References
Patch, Vendor Advisory vendor-advisory x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-081
Broken Link, Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/49963

Scores

EPSS 0.2123
EPSS Percentile 97.3%

Details

CWE
CWE-908
Status published
Products (1)
microsoft/internet_explorer 9
Published Oct 12, 2011
Tracked Since Feb 18, 2026