CVE-2016-3886 Missing authorization in n/a

What is CVE-2016-3886?

CVE-2016-3886 is a medium-severity missing authorization vulnerability in Google Android, published on 11 Sep 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

systemui/statusbar/phone/QuickStatusBarHeader.java in the System UI Tuner in Android 7.0 before 2016-09-01 does not prevent tuner changes on the lockscreen, which allows physically proximate attackers to gain privileges by modifying a setting, aka internal bug 30107438.

Weakness: CWE-264

Which versions are affected by CVE-2016-3886?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2016-3886?

No fix has been published for CVE-2016-3886 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2016-3886 being exploited?

There is no known exploitation of CVE-2016-3886 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 GHSA-4wq8-364c-549h.