CVE-2026-21023 — MEDIUM (5.5)

Vulnerability Description

Insufficient verification of data authenticity in PackageManagerService prior to SMR Mar-2026 Release 1 allows local attackers to modify the installation restriction of specific application.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Samsung	Android	14.0

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=03Vendor Advisory

FAQ

What is CVE-2026-21023?

CVE-2026-21023 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Insufficient verification of data authenticity in PackageManagerService prior to SMR Mar-2026 Release 1 allows local attackers to modify the installation restriction of specific application.

How severe is CVE-2026-21023?

CVE-2026-21023 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21023?

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