CVE-2026-0021 - Vulnerability Details - OpenCVE

In hasInteractAcrossUsersFullPermission of AppInfoBase.java, there is a possible cross-user permission bypass due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://source.android.com/security/bulletin/2026-03-01

History

Mon, 02 Mar 2026 21:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-441
Metrics		cvssV3_1 `{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Mon, 02 Mar 2026 19:00:00 +0000

Type	Values Removed	Values Added
Description		In hasInteractAcrossUsersFullPermission of AppInfoBase.java, there is a possible cross-user permission bypass due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
References		https://source.android.com/security/bulletin/2026-03-01

Projects

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MITRE

Status: PUBLISHED

Assigner: google_android

Published: 2026-03-02T18:42:43.590Z

Updated: 2026-03-02T21:10:02.216Z

Reserved: 2025-10-15T15:38:56.780Z

Link: CVE-2026-0021

Vulnrichment

Updated: 2026-03-02T21:09:23.539Z

NVD

Status : Awaiting Analysis

Published: 2026-03-02T19:16:30.347

Modified: 2026-03-02T20:29:29.330

Link: CVE-2026-0021

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-441

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