CVE-2026-55307 Information disclosure in Android
A logic error in Android's hardware crypto driver allows local attackers with system privileges to disclose sensitive information.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-55307?
CVE-2026-55307 is a medium-severity vulnerability in Google Android, published on 6 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In kdn_set_sysregs_prot of hwcrypto-kdn.c, there is a possible information disclosure due to a logic error in the code. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-269
Which versions are affected by CVE-2026-55307?
How do I fix CVE-2026-55307?
Apply the vendor's patch.
Is CVE-2026-55307 being exploited?
There is no known exploitation of CVE-2026-55307 in the wild and no public exploit code.
Sources
Also known as A-511809981, GHSA-37v5-p4pc-4jwq, PUB-A-511809981.