Vulnerability · Published Apr 23, 2026 · Assigned by tenable

CVE-2026-33694Junction File Manipulation

High 7.4

In plain English

A high-severity security flaw in Tenable Nessus, Tenable Nessus Agent from Tenable, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).

Severity (CVSS 4.0)7.4High
Exploit odds (30 days)0.2%top 95.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

This vulnerability allows an attacker to create a junction, enabling the deletion of arbitrary files with SYSTEM privileges. As a result, this condition potentially facilitates arbitrary code execution, whereby an attacker may exploit the vulnerability to execute malicious code with elevated SYSTEM privileges.

Affected products (as reported)

VendorProductVersions
Tenable, Inc. Tenable Nessus, Tenable Nessus Agent Nessus Agent – through 11.1.2Nessus – through 10.11.3

Weakness: CWE-59 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

References