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High 7.8Published May 12, 2026

CVE-2025-65086An 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 cod…

Updated under an hour ago ()

Does this affect you?

It affects ashlar argon and 4 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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 being parsed.

CVSS
7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-787
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Oct 14, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
ashlar argon
ashlar:argon
through 12.6.1204.216
NVD
ashlar cobalt
ashlar:cobalt
through 12.6.1204.216
NVD
ashlar cobalt_share
ashlar:cobalt_share
through 12.6.1204.216
NVD
ashlar lithium
ashlar:lithium
through 12.6.1204.216
NVD
ashlar xenon
ashlar:xenon
through 12.6.1204.216
NVD

References

  • third-party-advisory, us-government-resource

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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