CVE-2026-0023

HIGH
2026-03-02 [email protected]
7.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 02, 2026 - 19:16 nvd
HIGH 7.8

Tags

Privilege Escalation Android Google

Description

In createSessionInternal of PackageInstallerService.java, there is a possible way for an app to update its ownership due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Analysis

Improper permission validation in Android's PackageInstallerService allows a local app to modify its own package ownership without requiring elevated privileges, enabling privilege escalation. An attacker with a malicious app installed on the device can exploit this flaw without user interaction to gain unauthorized access to system resources. …

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Remediation

Within 24 hours: Inventory all Android devices in your environment and assess exposure based on OS versions affected by CVE-2026-0023. Within 7 days: Communicate findings to device owners and implement mobile device management (MDM) restrictions to prevent sideloading and limit app installation sources. …

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Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +39
POC: 0

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CVE-2026-0023 vulnerability details – vuln.today
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