What is CVE-2026-55280?

CVE-2026-55280 is a high-severity vulnerability in Google Android, classified under CWE-457. CVSS score: 8.8/10. Published 2026-10-05.

How severe is CVE-2026-55280?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Google Android

CVE-2026-55280

In multiple locations, there is a possible out-of-bounds write due to uninitialized data. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Published 2026-10-05 · last modified 2026-10-06.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Google Android — versions 16, 16-qpr2, 17

Weakness classification (CWE)

CWE-457

References

source.android.com/docs/security/bulletin/2026/2026-10-01

Frequently asked questions

What is CVE-2026-55280?: CVE-2026-55280 is a high-severity vulnerability in Google Android, classified under CWE-457. CVSS score: 8.8/10. Published 2026-10-05.
How severe is CVE-2026-55280?: High severity. CVSS v3 base score is 8.8 out of 10.