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Android CVE-2026-28658

| EUVDEUVD-2026-73989 HIGH
Protection Mechanism Failure (CWE-693)
2026-09-08 security@android.com GHSA-27x6-h354-cfv6
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 physical access required to reach FRP enrollment flow; PR:L reflects minimal interaction needed; total CIA impact from full device ownership bypass.

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

5
Metadata Corrected
Sep 10, 2026 - 15:40 vuln.today
tag: Android added
Analysis Generated
Sep 10, 2026 - 15:29 vuln.today
CVSS changed
Sep 10, 2026 - 15:22 NVD
7.8 (HIGH)
CVE Published
Sep 08, 2026 - 19:17 cve.org
HIGH 7.8
CVE Published
Sep 08, 2026 - 19:17 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

In findMetaAuthUid of AccountsDb.java, there is a possible frp bypass 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

Factory Reset Protection (FRP) in Android 14 through 17 can be bypassed via a logic error in findMetaAuthUid within AccountsDb.java, allowing a local attacker with minimal privileges to gain full control of a device without additional permissions or any victim interaction. All currently supported Android major versions are confirmed affected per Google's September 2026 Android Security Bulletin. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
technique details hidden
Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Physical access to an Android 14-17 device that has been factory reset and is in the FRP setup/enrollment flow, where `findMetaAuthUid` in `AccountsDb.java` is invoked to verify account ownership. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) is consistent with the description: local exploitation requiring minimal existing privileges, no user interaction, and delivering total device compromise. … 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 Patch Level, addressed in the 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, conduct an immediate inventory of all Android 14-17 devices in your environment and implement physical access controls to secure unattended devices; issue guidance to all device users restricting unattended physical access. …

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CVE-2026-28658 vulnerability details – vuln.today

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