Vulnerability Monitor

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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

2011-10-12T02:52:43.677

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 9.3 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-908
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application microsoft internet_explorer 9 Yes
Operating System microsoft windows_7 - No
Operating System microsoft windows_7 - No
Operating System microsoft windows_server_2008 - No
Operating System microsoft windows_server_2008 r2 No
Operating System microsoft windows_server_2008 r2 No
Operating System microsoft windows_vista - No
References