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    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 being parsed.

    Published:May 12, 2026
    Last Modified:May 14, 2026
    EPS:May 12, 2026
    EPSS Score:0.00006
    CVSS Score:7.8

    Affected Products

    Vendor
    Ashlar
    Product
    Argon
    Vendor
    Ashlar
    Product
    Cobalt
    Vendor
    Ashlar
    Product
    Cobalt Share
    Vendor
    Ashlar
    Product
    Lithium
    Vendor
    Ashlar
    Product
    Xenon
    Vendor
    Ashlar Vellum
    Product
    Argon
    Vendor
    Ashlar Vellum
    Product
    Cobalt
    Vendor
    Ashlar Vellum
    Product
    Cobalt Share
    Vendor
    Ashlar Vellum
    Product
    Lithium
    Vendor
    Ashlar Vellum
    Product
    Xenon

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-65088 (CVSS 8.4) — An Out-of-Bounds Read vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Shar…
    CVE-2025-65087 (CVSS 8.4) — An Out-of-Bounds Read vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Shar…
    CVE-2025-65085 (CVSS 8.4) — A Heap-based Buffer Overflow vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Coba…
    CVE-2025-65084 (CVSS 8.4) — An Out-of-Bounds Write vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Sha…
    CVE-2025-46269 (CVSS 8.4) — In Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions prior to 12.6.1204.204, the affected…
    CVE-2025-52584 (CVSS 8.4) — In Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions prior to 12.6.1204.204, the affected…
    CVE-2025-41392 (CVSS 8.4) — In Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions prior to 12.6.1204.204, the affected…
    CVE-2025-53705 (CVSS 8.4) — In Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share versions prior to 12.6.1204.204, the affected…
    CVE-2023-44438 (CVSS 8.8) — Ashlar-Vellum Argon Uncontrolled Search Path Element Remote Code Execution Vulnerability. This vulnerability a…
    CVE-2023-39427 (CVSS 7.8) — In Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share v12 SP0 Build (1204.77), the affected applic…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High