Improper input validation in Routines prior to SMR May-2026 Release 1 allows physical attackers to launch privileged activity.

Metrics

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

No data.

No data.

No data.

References
Link Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=05 cve-icon
History

Wed, 13 May 2026 06:00:00 +0000

Type Values Removed Values Added
Description Improper input validation in Routines prior to SMR May-2026 Release 1 allows physical attackers to launch privileged activity.
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published:

Updated: 2026-05-13T04:56:24.490Z

Reserved: 2025-12-11T01:33:35.804Z

Link: CVE-2026-21021

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.