CVE-2026-0021 - Vulnerability Analysis

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

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

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 2, 2026

🟠 CVE-2026-0021 - High (8.4) 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 interacti... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-0021/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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