CVE-2026-2026

MEDIUMNVD 6.16.1—Trending — 3 sources updated this week

6.1

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
EG Score: 6.1(medium)
EPSS: 2.0%
KEV: Not listed

Published

February 13, 2026

Last Modified

February 24, 2026

References (1)

vulnreport@tenablehttps://www.tenable.com/security/tns-2026-05

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-276Incorrect Default Permissions

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:56 UTCEG score recompute
2026-05-29 13:56 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2026-2026?

CVE-2026-2026 is a medium vulnerability published on February 13, 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.

When was CVE-2026-2026 disclosed?

CVE-2026-2026 was first published in the National Vulnerability Database on February 13, 2026, with the most recent update on February 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-2026 actively exploited?

CVE-2026-2026 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-2026?

CVE-2026-2026 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2026-2026?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-2026, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-2026

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-2026?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)