What is CVE-2026-8501?

CVE-2026-8501 is a high-severity vulnerability in Symantec Pc Tools Internet Security, classified under CWE-782. CVSS score: 7.8/10. Published 2026-06-01.

How severe is CVE-2026-8501?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Symantec Pc Tools Internet Security

CVE-2026-8501

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…

EPSS: 0.000 (3.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Symantec Pc Tools Internet Security

Weakness classification (CWE)

CWE-782

References

cret@cert.org
cret@cert.org
cret@cert.org
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-8501?: CVE-2026-8501 is a high-severity vulnerability in Symantec Pc Tools Internet Security, classified under CWE-782. CVSS score: 7.8/10. Published 2026-06-01.
How severe is CVE-2026-8501?: High severity. CVSS v3 base score is 7.8 out of 10.