CVE-2025-20776 Memory corruption in MT6739, MT6761, MT6765, MT6768, MT6781, MT6789, MT6833, MT6835, MT6853, MT6855, MT6877, MT6878, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6897, MT6899, MT6983, MT6985, MT6989, MT6991, MT8186, MT8188, MT8196, MT8667, MT8673, MT8676, MT8678, MT8765, MT8766, MT8768, MT8771, MT8781, MT8791T, MT8792, MT8793, MT8795T, MT8796, MT8798, MT8873, MT8883
A missing bounds check in MediaTek display firmware allows local privilege escalation for attackers with System privileges.
- 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-2025-20776?
CVE-2025-20776 is a medium-severity memory corruption vulnerability in Google Android, published on 2 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In display, there is a possible out of bounds read 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: ALPS10184297; Issue ID: MSV-4759.
Weakness: CWE-125
Which versions are affected by CVE-2025-20776?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2025-20776?
No fix has been published for CVE-2025-20776 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-20776 being exploited?
There is no known exploitation of CVE-2025-20776 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-885q-66c4-f4cp.