{"cve":"CVE-2013-3660","nvd":{"published":"2013-05-24T20:55:01.903","modified":"2026-06-16T23:55:35.730","status":"Analyzed","description":"The EPATHOBJ::pprFlattenRec function in win32k.sys in the kernel-mode drivers 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, and Windows Server 2012 does not properly initialize a pointer for the next object in a certain list, which allows local users to obtain write access to the PATHRECORD chain, and consequently gain privileges, by triggering excessive consumption of paged memory and then making many FlattenPath function calls, aka \"Win32k Read AV Vulnerability.\"","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-119"],"references":["http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0090.html","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/309157606247768064"],"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-2013-3660","score":0.39318,"percentile":0.98605,"date":"2026-10-31"},"kev":{"cve":"CVE-2013-3660","date_added":"2022-03-28","due_date":"2022-04-18","vendor":"Microsoft","product":"Win32k","known_ransomware":false},"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."]}