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Android Setup Wizard CVE-2026-28616

| EUVDEUVD-2026-73965 HIGH
Unintended Proxy or Intermediary ('Confused Deputy') (CWE-441)
2026-09-08 security@android.com GHSA-r38j-848q-2gc6
7.8
CVSS 3.1 · Vendor: android
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Severity by source

Vendor (android) PRIMARY
7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
7.8 HIGH

Local access with low privileges required to invoke Setup Wizard; full C/I/A reflects complete device compromise post-escalation; no scope change as impact stays on the exploited device.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (android).

CVSS VectorVendor: android

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

6
Metadata Corrected
Sep 10, 2026 - 18:40 vuln.today
tag: Google added
Metadata Corrected
Sep 10, 2026 - 18:40 vuln.today
tag: Android added
Analysis Generated
Sep 10, 2026 - 18:28 vuln.today
CVSS changed
Sep 10, 2026 - 18:23 NVD
7.8 (HIGH)
CVE Published
Sep 08, 2026 - 19:17 cve.org
UNKNOWN (no severity yet)
CVE Published
Sep 08, 2026 - 19:17 cve.org
HIGH 7.8

DescriptionCVE.org

In Setup Wizard, there is a possible way to force connection to a malicious network due to 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's Setup Wizard allows a low-privileged attacker to force the device to connect to a malicious network by exploiting a confused deputy relationship (CWE-441), achieving full C:H/I:H/A:H compromise without any user interaction. The flaw is addressed in the September 2026 Android Security Bulletin (patch level 2026-09-01) and requires only an existing low-privilege foothold on the device. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a low-privilege account or application already executing on the target Android device (PR:L, AV:L) - fully remote exploitation is excluded by the local attack vector. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 7.8 score with AC:L and PR:L reflects a straightforward local exploitation path - once a low-privileged foothold exists on the device, the confused deputy attack requires no special timing, race conditions, or additional privileges. … 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 2026-09-01 or later as detailed in the 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.

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Within 24 hours, audit your Android device inventory and current patch levels using MDM tools to identify affected devices. …

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CVE-2026-28616 vulnerability details – vuln.today

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