Android Runtime SMMU privilege escalation via missing perm check
CVE-2026-0133 Published on June 16, 2026

In smmu_attach_dev of arm-smmu-v3.c, there is a possible way to sign malicious Android Runtime bootclass artifacts 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.

NVD

Vulnerability Analysis

CVE-2026-0133 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an AuthZ Vulnerability?

The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

CVE-2026-0133 has been classified to as an AuthZ vulnerability or weakness.


Products Associated with CVE-2026-0133

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Google Android
 

Affected Versions

Google Android Version Android kernel is affected by CVE-2026-0133