CVE-2026-8501
CVE-2026-8501
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.
INFO
Published Date :
June 1, 2026, 5:17 p.m.
Last Modified :
July 22, 2026, 7:10 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-8501
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update PC Tools Internet Security to the latest version.
- Ensure the PCTCore64.sys driver is properly secured.
- Restrict access to the PCTCoreDriver WDM device interface.
- Apply vendor-supplied security patches or updates.
Public PoC/Exploit Available at Github
CVE-2026-8501 has a 4 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-8501.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-8501 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-8501
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Rust
My Awesome List
BYOVD research use cases featuring vulnerable driver discovery and reverse engineering methodology. (CVE-2025-52915, CVE-2025-1055, CVE-2026-3609, CVE-2026-8501).
byovd malware-development redteam rust vulnerable-driver av-killer exploit-development loldrivers edr-killer kernel-driver
Rust
TOP All bugbounty pentesting CVE-2023- POC Exp RCE example payload Things
bugbounty cve exp exploit payload poc rce vulnerability
Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-8501 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-8501 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Jul. 22, 2026
Action Type Old Value New Value Added Translation Title: PC Tools Internet Security de Symantec, Description: Control de acceso inadecuado en el controlador del kernel de Windows PCTCore64.sys de PC Tools Internet Security permite a los procesos en modo de usuario acceder a la interfaz de dispositivo WDM PCTCoreDriver e invocar manejadores IOCTL privilegiados. Un atacante local con la capacidad de acceder o cargar el controlador afectado puede explotar esta vulnerabilidad para realizar operaciones sensibles y privilegiadas en el sistema objetivo. -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Symantec', 'product': 'PC Tools Internet Security', 'versions': [{'status': 'affected', 'version': '*'}]}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-8501', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-01T18:20:00.476148Z'} -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Jun. 01, 2026
Action Type Old Value New Value Added Reference https://www.kb.cert.org/vuls/id/158530 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 01, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-782 -
New CVE Received by [email protected]
Jun. 01, 2026
Action Type Old Value New Value Added 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. Added Reference https://kb.cert.org/vuls/id/158530 Added Reference https://learn.microsoft.com/en-us/windows/security/application-security/application-control/app-control-for-business/design/microsoft-recommended-driver-block-rules Added Reference https://learn.microsoft.com/en-us/windows/win32/secauthz/security-descriptor-definition-language