What is CVE-2025-20799?

CVE-2025-20799 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2026-01-06.

How severe is CVE-2025-20799?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Google Android

CVE-2025-20799

In c2ps, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch I…

Vulnerability class: Use-After-Free

EPSS: 0.001 (0.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 15.0, 16.0
Mediatek Mt6899
Mediatek Mt6991
Mediatek Mt6993
Mediatek Mt8793
Mediatek, Inc. Mediatek Chipset — versions MT6899, MT6991, MT6993

Weakness classification (CWE)

CWE-416 — Use After Free

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20799?: CVE-2025-20799 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2026-01-06.
How severe is CVE-2025-20799?: High severity. CVSS v3 base score is 7.8 out of 10.