CVE-2026-8501 | BDVDB-2026-336871 Detail
SymantecPC Tools Internet Security
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
- CWE-782 Exposed IOCTL with Insufficient Access Control
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
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.