What is CVE-2026-58820?

CVE-2026-58820 is a high-severity vulnerability in Google Android, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-09-08.

How severe is CVE-2026-58820?

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

Buffer overflow in Google Android

CVE-2026-58820

In multiple locations, there is a possible memory safety issue due to integer overflow. This could lead to local escalation of privilege with no additional execution privileges required.

Vulnerability class: Buffer Overflow

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 16, 16-qpr2, 17

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

security@android.com

Frequently asked questions

What is CVE-2026-58820?: CVE-2026-58820 is a high-severity vulnerability in Google Android, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-09-08.
How severe is CVE-2026-58820?: High severity. CVSS v3 base score is 7.8 out of 10.