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CVE-2026-8501

CVE-2026-8501

Published: Jun 1, 2026Updated: Jun 1, 2026 Sources: CVE List NVD
NVD MITRE
7.8CVSS
HIGH

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-782

Affected Products

PC Tools Internet Security
Symantec

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://kb.cert.org/vuls/id/158530
kb.cert.org
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
learn.microsoft.com

Timeline

Published
Jun 1, 2026
Last Updated
Jun 1, 2026

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