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.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

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.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Samsung
  • Mobile Devices

No data.

No data.

References
Link Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=03 cve-icon cve-icon
History

Wed, 29 Apr 2026 07:00:00 +0000

Type Values Removed Values Added
First Time appeared Samsung
Samsung mobile Devices
Vendors & Products Samsung
Samsung mobile Devices

Wed, 29 Apr 2026 06:30:00 +0000

Type Values Removed Values Added
Title Local Modification of Application Installation Restrictions via PackageManagerService
Weaknesses CWE-285

Wed, 29 Apr 2026 05:00:00 +0000

Type Values Removed Values Added
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.
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published: 2026-04-29T04:46:46.051Z

Updated: 2026-04-29T12:41:12.467Z

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

Link: CVE-2026-21023

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-29T05:16:04.070

Modified: 2026-04-29T05:16:04.070

Link: CVE-2026-21023

cve-icon Redhat

No data.