CVEs / CVE-2025-48543
CVE-2025-48543: Android Runtime Use-After-Free Vulnerability
- Known exploited in the CISA KEV catalog since 4 Sep 2025
- high 8.8 CVSS 3.1 (from the CNA)
- EPSS 0.63% chance of exploitation in the next 30 days, higher than 50% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2025-48543
Summary
Android Runtime contains a use-after-free vulnerability potentially allowing a chrome sandbox escape leading to local privilege escalation.
Description
In multiple locations, there is a possible way to escape chrome sandbox to attack android system_server due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Google Android | 16 | — |
| Google Android | 15 | — |
| Google Android | 14 | — |
| Google Android | 13 | — |
Exploitation
| In CISA KEV since | 4 Sep 2025 |
|---|---|
| Due date for US federal agencies | 25 Sep 2025 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HScored by the CNA (134c704f-9b21-4f2e-91b3-4a467353bcc0) |
|---|---|
| Weakness | CWE-416 |
References
- CVE-2025-48543 on NVD
- CVE-2025-48543 in the CISA KEV catalog
- https://source.android.com/docs/security/bulletin/2025-09-01 (cited by CISA)
- https://android.googlesource.com/platform/art/+/444fc40dfb04d2ec5f74c443ed3a4dd45d3131f2 Patch, Product
- https://source.android.com/security/bulletin/2025-09-01 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-48543 Third Party Advisory, US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.