Buffer overflow in Ashlar Argon

CVE-2025-65086

An Out-of-Bounds Write 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 execute arbitrary code when a specially crafted VC6 file is b…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (2.0th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-65086?
CVE-2025-65086 is a high-severity vulnerability in Ashlar Argon, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-05-12.
How severe is CVE-2025-65086?
High severity. CVSS v3 base score is 7.8 out of 10.