Vulnerability in Tenable Nessus
CVE-2026-33694
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (9.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Tenable Nessus
- Tenable Nessus Agent
- Tenable, Inc. Tenable Nessus, Nessus Agent — versions Nessus Agent, Nessus
Weakness classification (CWE)
References
- tenable.com/security/tns-2026-12 (Vendor Advisory)
- tenable.com/security/tns-2026-13 (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-33694?
- CVE-2026-33694 is a high-severity vulnerability in Tenable Nessus, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2026-04-23.
- How severe is CVE-2026-33694?
- High severity. CVSS v3 base score is 7.8 out of 10.