CVE-2026-21019

Local Arbitrary Code Execution via Improper Input Validation in Galaxy Watch FacAtFunction

Published May 13, 2026 CVSS 4.0 · 8.9 High EPSS < 1% KEV · Not listed
Description
Improper input validation in FacAtFunction in Galaxy Watch prior to SMR May-2026 Release 1 allows local attacker to execute arbitrary code with system privilege.

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
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Local Arbitrary Code Execution via Improper Input Validation in Galaxy Watch FacAtFunction
First Time appeared Samsung Mobile
Samsung Mobile samsung Mobile Devices
Weaknesses CWE-20
Vendors & Products Samsung Mobile
Samsung Mobile samsung Mobile Devices
Type Values Removed Values Added
Description Improper input validation in FacAtFunction in Galaxy Watch prior to SMR May-2026 Release 1 allows local attacker to execute arbitrary code with system privilege.
References
Metrics cvssV4_0

{'score': 8.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SamsungMobile
Published
Updated
May 14, 2026, 3:56 AM
Reserved
Dec 11, 2025, 1:33 AM
Status
Awaiting Analysis
Published
May 13, 2026, 6:16 AM
Modified
Oct 26, 2026, 5:10 PM