CVE-2026-8501

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Summary

CVECVE-2026-8501
StatePUBLISHED
Assignercertcc
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-01 17:17:35 UTC
Updated2026-06-01 21:16:47 UTC
DescriptionImproper 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from ADP

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-782 | CWE-782: Exposed IOCTL with Insufficient Access Control | CWE-782 CWE-782 Exposed IOCTL with Insufficient Access Control

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Symantec PC Tools Internet Security affected * Not specified

References

ReferenceSourceLinkTags
kb.cert.org/vuls/id/158530 [email protected] kb.cert.org
www.kb.cert.org/vuls/id/158530 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org
learn.microsoft.com/en-us/windows/security/application-security/application-contr... [email protected] learn.microsoft.com
learn.microsoft.com/en-us/windows/win32/secauthz/security-descriptor-definition-l... [email protected] learn.microsoft.com
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