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."
References (4)
Core 4
Core References
Vendor Advisory vendor-advisory
x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052
Vendor Advisory vendor-advisory
x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-056
Third Party Advisory, US Government Resource third-party-advisory
x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA12-227A.html
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15790
Scores
EPSS
0.2218
EPSS Percentile
97.4%
Details
CWE
CWE-189
Status
published
Products (4)
microsoft/internet_explorer
8
microsoft/internet_explorer
9
microsoft/jscript
5.8
microsoft/vbscript
5.8
Published
Aug 15, 2012
Tracked Since
Feb 18, 2026