{"id":"CVE-2026-8501","state":"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.","publishedAt":"2026-06-01T16:25:11.611Z","updatedAt":"2026-06-01T18:55:01.689Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"certcc","products":["Symantec PC Tools Internet Security"],"affected":[{"vendor":"Symantec","product":"PC Tools Internet Security","versions":[{"version":"*","status":"affected"}]}],"references":["https://learn.microsoft.com/en-us/windows/security/application-security/application-control/app-control-for-business/design/microsoft-recommended-driver-block-rules","https://learn.microsoft.com/en-us/windows/win32/secauthz/security-descriptor-definition-language","https://kb.cert.org/vuls/id/158530","https://www.kb.cert.org/vuls/id/158530"],"weaknesses":["CWE-782"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/8xxx/CVE-2026-8501.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-8501","state":"PUBLISHED","datePublished":"2026-06-01T16:25:11.611Z","dateUpdated":"2026-06-01T18:55:01.689Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2026-05-13T20:56:16.307Z"},"containers":{"cna":{"title":"CVE-2026-8501","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Symantec","product":"PC Tools Internet Security","versions":[{"version":"*","status":"affected"}]}],"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"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-782: Exposed IOCTL with Insufficient Access Control"}]}],"providerMetadata":{"shortName":"certcc","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateUpdated":"2026-06-01T16:25:11.611Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"VINCE 3.0.41","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-8501"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-01T18:20:00.476148Z","id":"CVE-2026-8501","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-782","type":"CWE","lang":"en","description":"CWE-782 Exposed IOCTL with Insufficient Access Control"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-01T18:20:05.862Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.kb.cert.org/vuls/id/158530"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-06-01T18:55:01.689Z"}}]}}}