CVE-2025-20804 Use after free in MediaTek chipset
A use-after-free flaw in MediaTek chipset firmware allows local privilege escalation for attackers with System privileges, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-20804?
CVE-2025-20804 is a medium-severity use after free 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 dpe, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: ALPS10198951; Issue ID: MSV-4503.
Weakness: CWE-416
Which versions are affected by CVE-2025-20804?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2025-20804?
No fix has been published for CVE-2025-20804 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-20804 being exploited?
There is no known exploitation of CVE-2025-20804 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-6jxm-385x-hmgh.