{"cve":"CVE-2015-1721","nvd":{"published":"2015-06-10T01:59:03.240","modified":"2026-06-17T00:22:52.720","status":"Modified","description":"The kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allow local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via a crafted application, aka \"Win32k Null Pointer Dereference Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-476"],"references":["http://www.securitytracker.com/id/1032525","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-061","https://www.exploit-db.com/exploits/38274/","http://www.securitytracker.com/id/1032525","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-061"],"products":["microsoft:windows_7","microsoft:windows_8","microsoft:windows_8.1","microsoft:windows_rt","microsoft:windows_rt_8.1","microsoft:windows_server_2003","microsoft:windows_server_2008","microsoft:windows_server_2012","microsoft:windows_vista"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-1721","score":0.03296,"percentile":0.88504,"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."]}