EUVD-2026-73959
GHSA-8jh7-8c72-wg7g
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Low-privileged locally installed app exploits confused deputy with no interaction needed; full C/I/A reflects privilege escalation scope on device.
Primary rating from Vendor (android).
CVSS VectorVendor: android
Lifecycle Timeline
6DescriptionCVE.org
In multiple functions in multiple locations, there is a possible background activity launch 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.
AnalysisAI
Background activity launch (BAL) restrictions in Android 15, 16, 16-qpr2, and 17 can be bypassed by a locally installed application exploiting a confused deputy pattern spanning multiple framework functions. A low-privileged app manipulates one or more privileged Android system components into launching background activities on its behalf, circumventing protections designed to block unauthorized UI intrusion and enabling local privilege escalation with full confidentiality, integrity, and availability impact. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | A malicious application must be installed on the target device with standard user-level privileges (consistent with PR:L in the CVSS vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, score 7.8) indicates that a low-privileged app installed on the local device can reliably trigger full privilege escalation with no user interaction beyond app presence. … 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 Android Security Patch Level (SPL) for September 2026 as detailed in Google's Android Security Bulletin 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, identify and inventory all devices running Android 15, 16, 16-qpr2, or 17 in your device management systems to establish baseline exposure. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
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Same technique Privilege Escalation
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External POC / Exploit Code
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