CVE-2026-21023
Received Received - Intake

Insufficient Data Verification in PackageManagerService Enables Local Privilege Escalation

Publication date: 2026-04-29

Last updated on: 2026-05-01

Assigner: Samsung Mobile

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 Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-04-29
Last Modified
2026-05-01
Generated
2026-07-06
AI Q&A
2026-04-29
EPSS Evaluated
2026-07-05
NVD
CVE-2026-21023
EUVD
EUVD-2026-26192

Affected Vendors & Products

Showing 76 associated CPEs
Vendor Product Version / Range
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 14.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 15.0
samsung android 15.0
samsung android 14.0
samsung android 15.0
samsung android 16.0
samsung android 14.0
samsung android 15.0
samsung android 16.0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability involves insufficient verification of data authenticity in the PackageManagerService before the SMR Mar-2026 Release 1. It allows local attackers to modify the installation restrictions of specific applications.

Impact Analysis

Because local attackers can modify installation restrictions of specific applications, this vulnerability could allow unauthorized installation or modification of apps, potentially leading to security risks such as installation of malicious software or bypassing security policies.

Executive Summary

This vulnerability involves insufficient verification of data authenticity in the PackageManagerService before the SMR Mar-2026 Release 1. It allows local attackers to modify the installation restrictions of specific applications.

Impact Analysis

An attacker with local access could exploit this vulnerability to change installation restrictions on certain applications. This could potentially allow unauthorized installation or modification of applications, which may lead to security risks such as the introduction of malicious software or bypassing security policies.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-21023. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart