CVE-2026-56920 Memory corruption in Android
A logic error in the Android HEVC decoder allows remote attackers to execute arbitrary code without user interaction or additional privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-56920?
CVE-2026-56920 is a high-severity memory corruption vulnerability in Google Android, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In s_decode_vui_param of fw_hevc_dec_header.c, there is a possible out-of-bounds write due to a logic error in the code. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-787
Which versions are affected by CVE-2026-56920?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2026-56920?
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-2026-56920 being exploited?
There is no known exploitation of CVE-2026-56920 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-509576805, GHSA-jvxj-jg9r-j5w5, PUB-A-509576805.