CVE-2023-40088

Name: CVE-2023-40088
Creator: NVD / NIST
Published: 2023-12-04T23:15:24.23+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.72%

Last modified Jun 17, 2026

CVE-2023-40088 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. In callback_thread_event of com_android_bluetooth_btservice_AdapterService.cpp, there is a possible memory corruption due to a use after free. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. EPSS estimates a 1.72% chance of exploitation in the next 30 days.

Description

In callback_thread_event of com_android_bluetooth_btservice_AdapterService.cpp, there is a possible memory corruption due to a use after free. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.72%

74.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Android	11.0
Google	Android	12.0
Google	Android	12.1
Google	Android	13.0
Google	Android	14.0

References

https://android.googlesource.com/platform/packages/modules/Bluetooth/+/5bfd817719fcf55cbb3476e6b5539a3db4c437fcMailing List, Patch
https://source.android.com/security/bulletin/2023-12-01Patch, Vendor Advisory
https://android.googlesource.com/platform/packages/modules/Bluetooth/+/5bfd817719fcf55cbb3476e6b5539a3db4c437fcMailing List, Patch
https://source.android.com/security/bulletin/2023-12-01Patch, Vendor Advisory

Timeline

Published: Dec 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-40088?

How severe is CVE-2023-40088?

CVE-2023-40088 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.72% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40088?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-40088?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST