CVE-2025-20795 Memory corruption in MediaTek chipset
A missing bounds check in KeyInstall allows local privilege escalation for attackers with System privileges on MediaTek chipsets.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-20795?
CVE-2025-20795 is a high-severity memory corruption vulnerability in Google Android, published on 6 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In KeyInstall, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10276761; Issue ID: MSV-5141.
Weakness: CWE-787
Which versions are affected by CVE-2025-20795?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2025-20795?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-20795 being exploited?
There is no known exploitation of CVE-2025-20795 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-457250114, ASB-A-457250114, GHSA-rq4r-fccv-98m7, M-ALPS10276761.