CVE-2026-82987

CVE-2026-82987

Published Oct 21, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-200
Type Values Removed Values Added
Weaknesses CWE-306
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Viewsonic
Viewsonic vcast
Vendors & Products Viewsonic
Viewsonic vcast
Type Values Removed Values Added
Weaknesses CWE-200
Type Values Removed Values Added
Description 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
Title CVE-2026-82987
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
certcc
Published
Updated
Oct 30, 2026, 3:46 PM
Reserved
Aug 31, 2026, 3:22 PM
Status
Deferred
Published
Oct 21, 2026, 9:19 PM
Modified
Oct 30, 2026, 4:17 PM