CVE-2012-2523

Description

Integer overflow in Microsoft Internet Explorer 8 and 9, JScript 5.8, and VBScript 5.8 on 64-bit platforms allows remote attackers to execute arbitrary code by leveraging an incorrect size calculation during object copying, aka "JavaScript Integer Overflow Remote Code Execution Vulnerability."

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 64.66% Top 5%
Vendor Advisory microsoft.com 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/2012/ms12-052 vendor advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-056 vendor advisory
http://www.us-cert.gov/cas/techalerts/TA12-227A.html third party advisory us government resource
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15790 vdb entry signature

Frequently Asked Questions

What is the severity of CVE-2012-2523?
CVE-2012-2523 has been scored as a critical severity vulnerability.
How to fix CVE-2012-2523?
To fix CVE-2012-2523, 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-2012-2523 being actively exploited in the wild?
It is possible that CVE-2012-2523 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~65% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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