CVE-2026-58691 Privilege escalation in Android
A local attacker can escalate privileges in Android due to improper input validation in the FSM release key function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-58691?
CVE-2026-58691 is a high-severity vulnerability in Google Android, published on 15 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In FsmReleaseKey of fsm.c, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-20
Which versions are affected by CVE-2026-58691?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2026-58691?
Apply the vendor's patch.
Is CVE-2026-58691 being exploited?
There is no known exploitation of CVE-2026-58691 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-511557744, GHSA-mx7q-5vx8-m3w7, PUB-A-511557744.