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CVE-2026-0021 - Vulnerability Analysis

HighCVSS: 8.4

Last Updated: March 2, 2026

AppInfoBase - Broken Access Control

Published: March 2, 2026Updated: March 2, 2026

Overview

AppInfoBase.java contains a cross-user permission bypass caused by a confused deputy in hasInteractAcrossUsersFullPermission, letting local attackers escalate privileges without additional execution privileges, exploit requires no user interaction.

Severity & Score

Severity: High

CVSS Score: 8.4

Impact

Local attackers can escalate privileges without needing extra execution rights, potentially gaining unauthorized access.

Mitigation

Update to the latest version containing the fix.

References

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

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-0021
Severity: High
CVSS Score: 8.4
Type: broken_access_control
Status: unconfirmed

CWE

CWE-441

CVSS Metrics

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