Vulnerability Database

300,213

Total vulnerabilities in the database

CVE-2011-1998

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."

  • Published: Oct 12, 2011
  • Updated: Nov 9, 2025
  • CVE: CVE-2011-1998
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 9.3
  • AV:N/AC:M/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
microsoft / internet_explorer 9 9.x