CVE-2012-2523
highpriority · attend · 45EPSS 0.222 · 98 %ileEUUSEPSS · scored 2026-10-27
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."
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (13)
External citations — patches, advisories, analysis.
- http://secunia.com/advisories/50237cnnvd
- http://secunia.com/advisories/50243cnnvd
- http://technet.microsoft.com/security/bulletin/MS12-052cnnvd
- http://technet.microsoft.com/security/bulletin/MS12-056cnnvd
- http://technet.microsoft.com/zh-cn/security/bulletin/ms12-056Patchcnnvd
- http://www.us-cert.gov/cas/techalerts/TA12-227A.htmlenisa_euvd
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052enisa_euvd
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-056enisa_euvd
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