PT-2026-40571 · Samsung · Galaxy Watch

CVE-2026-21019 · Published 2026-05-13 · Updated 2026-05-13

Positive Technologies (AI Summary)

CVSS v4.0

8.6

High

Base vector

AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Galaxy Watch versions prior to SMR May-2026 Release 1

Description Improper input validation in the FacAtFunction() function allows a local attacker to execute arbitrary code with system privileges.

Recommendations Update to SMR May-2026 Release 1 or a newer version. As a temporary workaround, restrict access to the FacAtFunction() function to minimize the risk of exploitation.

Fix

Related Identifiers

CVE-2026-21019

Affected Products

Galaxy Watch

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-21019 · Security Note
• https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=05 · Note
• https://t.me/CVEtracker/53613 · Telegram Post