What is CVE-2026-56988?

CVE-2026-56988 is a medium-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.4/10. Published 2026-09-15.

How severe is CVE-2026-56988?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Use After Free in Google Android

CVE-2026-56988

In multiple functions of bluetooth_cco.cc, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Race Condition

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions Android kernel

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)
CWE-416 — Use After Free

References

dsap-vuln-management@google.com

Frequently asked questions

What is CVE-2026-56988?: CVE-2026-56988 is a medium-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.4/10. Published 2026-09-15.
How severe is CVE-2026-56988?: Medium severity. CVSS v3 base score is 6.4 out of 10.