{"cve":"CVE-2013-3661","nvd":{"published":"2013-05-24T20:55:01.940","modified":"2026-06-16T23:55:35.980","status":"Modified","description":"The EPATHOBJ::bFlatten function in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT does not check whether linked-list traversal is continually accessing the same list member, which allows local users to cause a denial of service (infinite traversal) via vectors that trigger a crafted PATHRECORD chain.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-22"],"references":["http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0094.html","http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0006.html","http://secunia.com/advisories/53435","http://twitter.com/taviso/statuses/335557286657400832","http://www.computerworld.com/s/article/9239477"],"products":["microsoft:windows_7","microsoft:windows_8","microsoft:windows_rt","microsoft:windows_server_2003","microsoft:windows_server_2008","microsoft:windows_server_2012","microsoft:windows_vista","microsoft:windows_xp"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-3661","score":0.03852,"percentile":0.90144,"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."]}