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Unrated severityNVD Advisory· Published Sep 8, 2009· Updated Apr 23, 2026

CVE-2009-1920

CVE-2009-1920

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 products

17
  • Microsoft/Windows 2000
    cpe:2.3:o:microsoft:windows_2000:-:sp4:*:*:*:*:*:*
  • Microsoft/Windows Server 2003
    cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
  • Microsoft/Windows Server 20086 versions
    cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*+ 5 more
    • cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x64:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x86:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2008:-:-:x32:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2008:-:-:x64:*:*:*:*:*
  • Microsoft/Windows Vista6 versions
    cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*+ 5 more
    • cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_vista:-:-:x64:*:*:*:*:*
  • Microsoft/Windows Xp3 versions
    cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_xp:*:sp2:professional_x64:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

3

News mentions

0

No linked articles in our index yet.