CVE-2026-56997 Memory corruption in Android
A missing bounds check in the Android VP9 decoder allows remote attackers to execute arbitrary code and escalate privileges without user interaction.
- 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-2026-56997?
CVE-2026-56997 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 Av1DecodeFrameTag of vp9hwd_headers.cc, there is a possible out-of-bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-787
Which versions are affected by CVE-2026-56997?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2026-56997?
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-2026-56997 being exploited?
There is no known exploitation of CVE-2026-56997 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-510463718, GHSA-qcf7-grjp-j68w, PUB-A-510463718.