CVE-2026-8501
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
ProductPC Tools Internet Security
PublishedJun 1, 2026
First seenJun 1, 2026
Weakness typeCWE-782CWE-782
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Symantec PC Tools Internet Security | No range specified | — |
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