What’s Vulnerable › Vulnerabilities

CVE-2013-2556

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-03-11 · updated 2026-06-16

Description

Unspecified vulnerability in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 through SP1 allows attackers to bypass the ASLR protection mechanism via unknown vectors, as demonstrated against Adobe Flash Player by VUPEN during a Pwn2Own competition at CanSecWest 2013, aka "ASLR Security Feature Bypass Vulnerability."

Affected products

• Microsoft Windows 7: all versions
• Microsoft Windows Server 2008: all versions
• Microsoft Windows Vista: all versions

References

• http://h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157
• http://twitter.com/VUPEN/statuses/309713355466227713
• http://twitter.com/thezdi/statuses/309756927301283840
• http://www.us-cert.gov/ncas/alerts/TA13-225A
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-063
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18132
• http://h30499.www3.hp.com/t5/HP-Security-Research-Blog/Pwn2Own-2013/ba-p/5981157
• http://twitter.com/VUPEN/statuses/309713355466227713
• http://twitter.com/thezdi/statuses/309756927301283840
• http://www.us-cert.gov/ncas/alerts/TA13-225A
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-063
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18132

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