How severe is CVE-2026-33694?

CVE-2026-33694 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-33694 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33694?

CVE-2026-33694 primarily affects Tenable Nessus. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-33694?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-33694 have an EU (EUVD) identifier?

Yes. CVE-2026-33694 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25265.

When was CVE-2026-33694 published?

CVE-2026-33694 was published on 2026-04-23 and last updated on 2026-08-21.

CVE-2026-33694

CVE-2026-33694 is a high-severity vulnerability in Tenable Nessus with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 7.4
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25265
Weakness: CWE-59
Affected product: Tenable Nessus
Published: 2026-04-23
Last modified: 2026-08-21

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-33694?: CVE-2026-33694 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-33694 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33694?: CVE-2026-33694 primarily affects Tenable Nessus. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-33694?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-33694 have an EU (EUVD) identifier?: Yes. CVE-2026-33694 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25265.
When was CVE-2026-33694 published?: CVE-2026-33694 was published on 2026-04-23 and last updated on 2026-08-21.

References

Affected products (2)

cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus_agent:*:*:*:*:*:*:*:*

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