CVE-2026-21021 — MEDIUM (6.8)

Vulnerability Description

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

CVSS Score

6.8

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Samsung	Android	16.0

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=05Vendor Advisory

FAQ

What is CVE-2026-21021?

CVE-2026-21021 is a vulnerability with a CVSS score of 6.8 (MEDIUM). Improper input validation in Routines prior to SMR May-2026 Release 1 allows physical attackers to launch privileged activity.

How severe is CVE-2026-21021?

CVE-2026-21021 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21021?

Check the references section above for vendor advisories and patch information. Affected products include: Samsung Android.