{"id":"CVE-2026-8501","aliases":["EUVD-2026-33669","GHSA-x42p-q354-px3c"],"status":"published","title":"CVE-2026-8501","description":"Improper access control in the PCTCore64.sys Windows kernel driver from PC Tools Internet Security allows user-mode processes to access the PCTCoreDriver WDM device interface and invoke privileged IOCTL handlers. A local attacker with the ability to access or load the affected driver can exploit this vulnerability to perform sensitive and privileged operations on the target system.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00162,"percentile":0.05411,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-782"],"published":"2026-06-01T16:25:11Z","modified":"2026-07-22T07:10:00Z","products":[{"vendor":"symantec","product":"pc tools internet security"}],"references":[{"url":"https://learn.microsoft.com/en-us/windows/security/application-security/application-control/app-control-for-business/design/microsoft-recommended-driver-block-rules"},{"url":"https://learn.microsoft.com/en-us/windows/win32/secauthz/security-descriptor-definition-language"},{"url":"https://kb.cert.org/vuls/id/158530"},{"url":"https://www.kb.cert.org/vuls/id/158530"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8501"},{"url":"https://github.com/advisories/GHSA-x42p-q354-px3c"}],"sources":{"cve":[{"id":"CVE-2026-8501","title":"CVE-2026-8501","description":"Improper access control in the PCTCore64.sys Windows kernel driver from PC Tools Internet Security allows user-mode processes to access the PCTCoreDriver WDM device interface and invoke privileged IOCTL handlers. A local attacker with the ability to access or load the affected driver can exploit this vulnerability to perform sensitive and privileged operations on the target system.","status":"published","published":"2026-06-01T16:25:11.611Z","modified":"2026-06-01T18:55:01.689Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-782"],"updated_at":"2026-11-02T13:48:13.398044Z"}],"euvd":[{"id":"EUVD-2026-33669","description":"Improper access control in the PCTCore64.sys Windows kernel driver from PC Tools Internet Security allows user-mode processes to access the PCTCoreDriver WDM device interface and invoke privileged IOCTL handlers. A local attacker with the ability to access or load the affected driver can exploit this vulnerability to perform sensitive and privileged operations on the target system.","status":"published","published":"2026-06-01T16:25:11Z","modified":"2026-06-01T18:55:01Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:57.828765Z"}],"ghsa":[{"id":"GHSA-x42p-q354-px3c","title":"Improper access control in the PCTCore64.sys Windows kernel driver from PC Tools Internet...","description":"Improper access control in the PCTCore64.sys Windows kernel driver from PC Tools Internet Security allows user-mode processes to access the PCTCoreDriver WDM device interface and invoke privileged IOCTL handlers. A local attacker with the ability to access or load the affected driver can exploit this vulnerability to perform sensitive and privileged operations on the target system.","status":"published","published":"2026-06-01T18:31:53Z","modified":"2026-06-01T21:31:48Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-782"],"updated_at":"2026-11-02T15:08:28.115731Z"}],"nvd":[{"id":"CVE-2026-8501","description":"Improper access control in the PCTCore64.sys Windows kernel driver from PC Tools Internet Security allows user-mode processes to access the PCTCoreDriver WDM device interface and invoke privileged IOCTL handlers. A local attacker with the ability to access or load the affected driver can exploit this vulnerability to perform sensitive and privileged operations on the target system.","status":"published","published":"2026-06-01T17:17:35.513Z","modified":"2026-07-22T07:10:00.107Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-782"],"updated_at":"2026-11-02T14:12:21.635958Z"}]}}