CVE-2025-48528

Local privilege escalation via biometric prompt overlay

Published Sep 4, 2025 · Updated Feb 26, 2026

Local privilege escalation in Android 15 and 16 allows local users to overlay biometric prompts without user interaction. AuthContainerView creates the prompt as an application-overlay window, allowing other SystemUI layers to appear above it instead of enforcing keyguard-level ordering. Exploitation requires code running locally on an affected device, but no added execution privileges or victim interaction.

CVSS severity4.0
Medium
EPSS probability0.09%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Local privilege escalation in Android 15 and 16 allows local users to overlay biometric prompts without user interaction. AuthContainerView creates the prompt as an application-overlay window, allowing other SystemUI layers to appear above it instead of enforcing keyguard-level ordering. Exploitation requires code running locally on an affected device, but no added execution privileges or victim interaction.

The record

CVE
CVE-2025-48528
Published
Sep 4, 2025
Updated
Feb 26, 2026
Vendor
Google Cloud
Product
Android
Classifications
CWE-266, T1404
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 4, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=15
  2. Affected versionversion=16

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Google Cloud · Androidversion=15; version=16

Published CVSS scores

4.0CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-266Incorrect Privilege Assignment
T1404Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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