CVE-2025-65085

CRITICALNVD 9.89.8—

9.8

A Heap-based Buffer Overflow vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions 12.6.1204.216 and prior that could allow an attacker to disclose information or execute arbitrary code.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 11.9%
KEV: Not listed

Published

November 25, 2025

Last Modified

May 12, 2026

Advisory Details (1)

Auto-updated May 12, 2026

Patch available. Sources: cisa.

cisa Patch Available

Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share (Update A) | CISA

https://www.cisa.gov/news-events/ics-advisories/icsa-25-329-01

Weakness Classification(1)

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

CWE-122Heap-based Buffer Overflow

Data Freshness Timeline

(refreshed 14× in last 7d / 20× 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.

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Frequently asked(5)

What is CVE-2025-65085?

CVE-2025-65085 is a critical vulnerability published on November 25, 2025. A Heap-based Buffer Overflow vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions 12.6.1204.216 and prior that could allow an attacker to disclose information or execute arbitrary code.

When was CVE-2025-65085 disclosed?

CVE-2025-65085 was first published in the National Vulnerability Database on November 25, 2025, with the most recent update on May 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-65085 actively exploited?

CVE-2025-65085 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-65085?

CVE-2025-65085 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-65085?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-65085, 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-2025-65085

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share (Update A) | CISA

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-65085?

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Advisory Details (1)

Frequently asked(5)

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