CVE-2026-8501
CVE-2026-8501
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | symantec |
| Product | pc tools internet security |
| Published | Jun 1, 2026 |
| Last Updated | Jun 1, 2026 |
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Affected Versions
Symantec / PC Tools Internet Security
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References
learn.microsoft.com: https://learn.microsoft.com/en-us/windows/security/application-security/application-control/app-control-for-business/design/microsoft-recommended-driver-block-rules learn.microsoft.com: https://learn.microsoft.com/en-us/windows/win32/secauthz/security-descriptor-definition-language kb.cert.org: https://kb.cert.org/vuls/id/158530 kb.cert.org: https://www.kb.cert.org/vuls/id/158530