{"cve":"CVE-2013-2556","nvd":{"published":"2013-03-11T10:55:01.127","modified":"2026-06-16T23:53:37.690","status":"Modified","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.\"","cvss_v4":null,"cvss_v3":null,"cwes":[],"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"],"products":["microsoft:windows_7","microsoft:windows_server_2008","microsoft:windows_vista"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2013-2556","score":0.07575,"percentile":0.94532,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}