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    CVE-2026-82987

    There exists a screen capture endpoint in vCast media streaming service in ViewSonic ViewBoard unknown allows a remote, unauthenticated attacker to capture and exfiltrate the current screen content via GET requests to an unauthenticated /snapshot or /screen endpoint returning JPEGs

    Published:Oct 21, 2026
    Last Modified:Oct 30, 2026
    EPS:Oct 21, 2026
    EPSS Score:0.00287
    CVSS Score:7.5

    Affected Products

    Vendor
    Viewsonic
    Product
    Vcast

    Exploits

    No exploit reference

    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