CVE-2026-58731 Information disclosure in Android
A local attacker can read uninitialized memory in the Android kernel to disclose sensitive information without user interaction or elevated privileges.
- 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-2026-58731?
CVE-2026-58731 is a medium-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 multiple functions of physmem_extmem_linux.c, there is a possible out-of-bounds read due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
Which versions are affected by CVE-2026-58731?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2026-58731?
Apply the vendor's patch.
Is CVE-2026-58731 being exploited?
There is no known exploitation of CVE-2026-58731 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-512878696, GHSA-f83g-wxp7-48wg, PUB-A-512878696.