CVE-2026-45520 Auth bypass in Android

What is CVE-2026-45520?

CVE-2026-45520 is a high-severity authentication bypass vulnerability in Google Android, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In onAttach of BiometricsSettingsBase.java, there is a possible authentication 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.

Weakness: CWE-441

Which versions are affected by CVE-2026-45520?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-45520?

Apply the vendor's patch.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-45520 being exploited?

There is no known exploitation of CVE-2026-45520 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as A-490286986, ASB-A-490286986, GHSA-865v-fr92-gm37.