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."

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 39.80% Top 5%
Vendor Advisory microsoft.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-045 vendor advisory
http://www.us-cert.gov/cas/techalerts/TA09-251A.html third party advisory us government resource
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6316 signature vdb entry

Frequently Asked Questions

What is the severity of CVE-2009-1920?
CVE-2009-1920 has been scored as a critical severity vulnerability.
How to fix CVE-2009-1920?
To fix CVE-2009-1920, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-1920 being actively exploited in the wild?
It is possible that CVE-2009-1920 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~40% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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