Use After Free in Google Android
CVE-2026-20437
In MAE, there is a possible system crash due to use after free. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10431940; Issue ID: MSV-5843.
Vulnerability class: Use-After-Free
EPSS: 0.001 (0.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Google Android — versions 15.0
- Mediatek Mt2718
- Mediatek Mt6899
- Mediatek Mt6991
- Mediatek Mt8678
- Mediatek Mt8793
- Mediatek, Inc. Mediatek Chipset — versions MT2718, MT6899, MT6991
Weakness classification (CWE)
References
- security@mediatek.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-20437?
- CVE-2026-20437 is a medium-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 4.4/10. Published 2026-03-02.
- How severe is CVE-2026-20437?
- Medium severity. CVSS v3 base score is 4.4 out of 10.