CVE-2009-1920

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."

Score

CVSS 2.0 9.3 Critical

Status

Modified - secure@microsoft.com

Published

2009-09-08

Last modified

2024-08-07

Weaknesses

CWE-94

Affected products

• Windows 2000 (Microsoft)
• Windows Server 2003 (Microsoft)
• Windows Server 2008 (Microsoft)
• Windows Vista (Microsoft)
• Windows Xp (Microsoft)

References

• http://www.us-cert.gov/cas/techalerts/TA09-251A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-045
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6316