What is CVE-2025-48539?

CVE-2025-48539 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 8.0/10. Published 2025-09-04.

How severe is CVE-2025-48539?

High severity. CVSS v3 base score is 8.0 out of 10.

Is CVE-2025-48539 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Google Android

CVE-2025-48539

In SendPacketToPeer of acl_arbiter.cc, there is a possible out of bounds read 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.

Vulnerability class: Use-After-Free

Published 2025-09-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (15.1th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000

Affected products

Google Android — versions 15.0, 15, 16

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

References

android.googlesource.com/platform/packages/modules/Bluetooth/+/c881220f499edcbd… (Patch)
source.android.com/security/bulletin/2025-09-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-48539?: CVE-2025-48539 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 8.0/10. Published 2025-09-04.
How severe is CVE-2025-48539?: High severity. CVSS v3 base score is 8.0 out of 10.
Is CVE-2025-48539 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.