EUVD-2026-74048
GHSA-34jc-p6hm-mj7f
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local attack requiring only a low-privilege installed app; no user interaction; full device impact with no scope change beyond the compromised system.
Primary rating from Vendor (android).
CVSS VectorVendor: android
Lifecycle Timeline
6DescriptionCVE.org
In multiple functions of HostEmulationManager.java, there is a possible background activity launch due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
AnalysisAI
Local privilege escalation in Android 16 and 16-QPR2 allows a low-privileged app to escalate to full device control by exploiting a logic error in HostEmulationManager.java that permits unauthorized background activity launches. The flaw stems from CWE-693 (Protection Mechanism Failure) in the activity-launch gating logic, enabling an installed malicious app to bypass Android's background activity restrictions without requiring additional permissions or user interaction. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that a malicious or compromised low-privilege application be installed and running on the target Android 16 or Android 16-QPR2 device; this is the initial foothold condition (PR:L per CVSS). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.8 score (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately reflects a meaningful local privilege escalation: an attacker needs only a low-privilege app installed on the device and no user interaction at exploit time, with full confidentiality, integrity, and availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the September 2026 Android Security Bulletin patches available at https://source.android.com/docs/security/bulletin/2026/2026-09-01. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, audit your fleet for devices running Android 16 or 16-QPR2 and restrict app installation to Google Play exclusively; enable all available MDM app permission restrictions for background activity launches. …
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Same weakness CWE-693 – Protection Mechanism Failure
View allSame technique Privilege Escalation
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External POC / Exploit Code
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