CVE-2026-0021

EUVD-2026-9236
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.
Confused Deputy
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.4 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
googleandroid
14.0
googleandroid
15.0
googleandroid
16.0
googleandroid
16.0:qpr2_beta_1
googleandroid
16.0:qpr2_beta_2
googleandroid
16.0:qpr2_beta_3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://source.android.com/docs/security/bulletin/2026/2026-03-01