CVE-2026-55331 Memory corruption in Android
An out-of-bounds write in the IP Multimedia Subsystem 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-2026-55331?
CVE-2026-55331 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 IP Multimedia Subsystem, there is a possible out-of-bounds write due to an incorrect bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-120
Which versions are affected by CVE-2026-55331?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2026-55331?
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-2026-55331 being exploited?
There is no known exploitation of CVE-2026-55331 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-449160647, GHSA-3mv3-hfpq-vvw5, PUB-A-449160647.