High 7.8Published Jun 1, 2026

CVE-2026-8501CVE-2026-8501

Updated under an hour ago (Oct 26, 2026, 10:50 PM ET)

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It affects Symantec PC Tools Internet Security. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Symantec PC Tools Internet Security

Exploited in the last 30 days

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.

CVSS: 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-782
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: certcc
NVD analysis: Awaiting Analysis
Record last updated: Jun 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Symantec PC Tools Internet Security symantec:pc_tools_internet_security (from the name)	all versions	CNA record

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.