What is CVE-2026-0123?

CVE-2026-0123 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-03-10.

How severe is CVE-2026-0123?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in Google Android

CVE-2026-0123

In EfwApTransport::ProcessRxRing of efw_ap_transport.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions Android kernel

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

dsap-vuln-management@google.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-0123?: CVE-2026-0123 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-03-10.
How severe is CVE-2026-0123?: High severity. CVSS v3 base score is 8.4 out of 10.