CVE-2026-2026

A vulnerability has been identified where weak file permissions in the Nessus Agent directory on Windows hosts could allow unauthorized access, potentially permitting Denial of Service (DoS) attacks.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 4.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.tenable.com/security/tns-2026-05	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:tenable:nessus_agent::::::::
	cpe:2.3:a:tenable:nessus_agent::::::::

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

17 Jun 2026, 10:30

Type	Values Removed	Values Added
Summary		(es) Se ha identificado una vulnerabilidad donde permisos de archivo débiles en el directorio del Agente Nessus en hosts Windows podrían permitir acceso no autorizado, lo que podría permitir ataques de denegación de servicio (DoS).

24 Feb 2026, 20:26

Type	Values Removed	Values Added
CPE		cpe:2.3:a:tenable:nessus_agent:::::::: cpe:2.3:o:microsoft:windows:-:::::::*
First Time		Tenable nessus Agent Tenable Microsoft Microsoft windows
References	~~() https://www.tenable.com/security/tns-2026-05 -~~	() https://www.tenable.com/security/tns-2026-05 - Vendor Advisory

13 Feb 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-13 17:16

Updated : 2026-06-17 10:30

NVD link : CVE-2026-2026

Mitre link : CVE-2026-2026

CVE.ORG link : CVE-2026-2026

JSON object : View

Products Affected

microsoft

windows

tenable

nessus_agent

CWE

CWE-276

Incorrect Default Permissions

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