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

24 Feb 2026, 20:26

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

13 Feb 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-13 17:16

Updated : 2026-02-24 20:26

NVD link : CVE-2026-2026

Mitre link : CVE-2026-2026

CVE.ORG link : CVE-2026-2026

JSON object : View

Products Affected

tenable

nessus_agent

microsoft

windows

CWE

CWE-276

Incorrect Default Permissions

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