EUVD-2026-73982
GHSA-gpw9-prx8-w9qg
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local attack requiring low-privilege app installation; no scope change; full CIA impact upon successful confused deputy exploitation.
Primary rating from Vendor (android).
CVSS VectorVendor: android
Lifecycle Timeline
6DescriptionCVE.org
In startNextMatchingActivity of ActivityTaskManagerService.java, there is a possible 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.
AnalysisAI
Local privilege escalation in Android 14 through 16 allows a low-privileged application to gain full system-level access by exploiting a confused deputy flaw in the ActivityTaskManagerService. The vulnerability exists in the startNextMatchingActivity method of ActivityTaskManagerService.java, where the service can be manipulated into exercising its elevated permissions on behalf of an unprivileged caller, bypassing Android's permission model. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must have the ability to execute code on the target Android device as a low-privileged user - specifically, a user-installed application with standard (non-elevated) permissions must be running. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H reflects a local attack with low complexity and low privilege requirements, yielding a base score of 7.8 and total CIA impact on the device. … 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 security patches distributed via the September 2026 Android Security Bulletin (https://source.android.com/docs/security/bulletin/2026/2026-09-01), which addresses this flaw in ActivityTaskManagerService. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Android 14-16 devices across company-issued, BYOD, and contractor equipment, and flag critical or business-sensitive devices for priority patching once available. …
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External POC / Exploit Code
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