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CVE-2026-8501

Quick assessment

Affected
Symantec PC Tools Internet Security
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Symantec PC Tools Internet Security是Symantec公司的一款综合计算机安全防护软件。 Symantec PC Tools Internet Security存在安全漏洞，该漏洞源于PCTCore64.sys Windows内核驱动中的访问控制不当，允许用户模式进程访问PCTCoreDriver WDM设备接口并调用特权IOCTL处理程序，可能导致本地攻击者执行敏感和特权操作。

AI Predicted 7.8 Difficulty: Easy EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
Symantec PC Tools Internet Security * affected
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I. Basic Information for CVE-2026-8501

Vulnerability Information
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Vulnerability Title
CVE-2026-8501
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Symantec PC Tools Internet Security 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Symantec PC Tools Internet Security是Symantec公司的一款综合计算机安全防护软件。 Symantec PC Tools Internet Security存在安全漏洞，该漏洞源于PCTCore64.sys Windows内核驱动中的访问控制不当，允许用户模式进程访问PCTCoreDriver WDM设备接口并调用特权IOCTL处理程序，可能导致本地攻击者执行敏感和特权操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Symantec PC Tools Internet Security * -

II. Public POCs for CVE-2026-8501

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III. Intelligence Information for CVE-2026-8501

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Vendor Advisories for CVE-2026-8501 (2)

IV. Related Vulnerabilities

Same vendor: Symantec

V. Comments for CVE-2026-8501

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