CVE-2026-55343 Memory corruption in Android

What is CVE-2026-55343?

CVE-2026-55343 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, and only if a user opens a file or follows a link.

Official description

In decodeAmr of ImsMediaAudioPlayer.cpp, there is a possible out-of-bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation.

Weakness: CWE-120

Which versions are affected by CVE-2026-55343?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-55343?

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-2026-55343 being exploited?

There is no known exploitation of CVE-2026-55343 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as A-497824503, GHSA-gh4x-w3x7-v88q, PUB-A-497824503.