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CVE-2025-65084

Out-of-bounds Write in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, Cobalt Share

Published: Nov 25, 2025Updated: May 12, 2026 Sources: CVE List NVD csafCWE-787
9.8CRITICAL
NVD MITRE
EPSS Score
0.3%
Top 79.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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 disclose information or execute arbitrary code.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

CobaltAshlar-Vellum
On-premDesktop App
Consumer Software / productivity
XenonAshlar-Vellum
Desktop App
Consumer Software / productivity
ArgonAshlar-Vellum
Desktop App
Consumer Software / productivity
LithiumAshlar-Vellum
Desktop App
Consumer Software / productivity
Cobalt ShareAshlar-Vellum
On-premDesktop App
Consumer Software / file-utility
ashlar-vellumcommercialConsumer Software
and 5 more affected products View all →

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.cisa.gov/news-events/ics-advisories/icsa-25-329-01
cisa.gov
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-329-01.json
raw.githubusercontent.com
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
cisa.gov
and 20 more references View all →

Timeline

Published
Nov 25, 2025
Last Updated
May 12, 2026

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