CVE-2026-33694: This vulnerability allows an attacker to create a junction, enabling the deletion of arbitrary files with SYST

Q: How do I fix CVE-2026-33694?

nessus: upgrade to newer than 10.11.3; nessus agent: upgrade to newer than 11.1.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-33694 being exploited?

CVE-2026-33694 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-33694 affect?

CVE-2026-33694 affects nessus, nessus agent. Severity is high (CVSS 7.8). 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 v

Routine

HIGH 7.8UPGRADEUPGRADE

CVE-2026-33694 is a high-severity flaw (CVSS 7.8) affecting nessus, nessus agent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 96%)
CISA exploited list	No
Weakness	CWE-59
Published	2026-04-23
Last modified	2026-10-26

Publisher (CNA): Tenable Network Security, Inc. · Vendor: tenable

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-23 19:17 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

tenable nessus UPGRADE

Affected: <= 10.11.3

Fixed in: newer than 10.11.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nessus || rpm -q nessus || nessus --version

2. UPGRADE to newer than 10.11.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nessus

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nessus

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

tenable nessus agent UPGRADE

Affected: <= 11.1.2

Fixed in: newer than 11.1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nessus-agent || rpm -q nessus-agent || nessus-agent --version

2. UPGRADE to newer than 11.1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nessus-agent

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nessus-agent

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33694?

nessus: upgrade to newer than 10.11.3; nessus agent: upgrade to newer than 11.1.2. Exact commands for each OS are on this page.

Is CVE-2026-33694 being exploited?

CVE-2026-33694 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33694 affect?

CVE-2026-33694 affects nessus, nessus agent. Severity is high (CVSS 7.8). 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 v

How urgent is CVE-2026-33694?

Priority 28/100. High severity

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References

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