CVE-2025-48543: Android Runtime Use-After-Free Vulnerability

CISA Known Exploited Vulnerabilities

Name

Android Runtime Use-After-Free Vulnerability

Vendor

Android

Product

Runtime

Added to the catalog

2025-09-04

Due date for US federal agencies

2025-09-25

Catalog version

2026.10.30

Android Runtime contains a use-after-free vulnerability potentially allowing a chrome sandbox escape leading to local privilege escalation.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

• https://source.android.com/docs/security/bulletin/2025-09-01
• https://nvd.nist.gov/vuln/detail/CVE-2025-48543

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status

Analyzed

Published

2025-09-04T19:15:40.780

Last modified

2026-06-17T09:29:49.153

Weaknesses

CWE-416

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.

References

• 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)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:42:22.836Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-48543

CVE record

Assigner

google_android

State

PUBLISHED

Published

2025-09-04T18:34:22.655Z

Updated

2026-02-26T17:49:19.685Z

Problem types

Elevation of privilege

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.

References

• https://android.googlesource.com/platform/art/+/444fc40dfb04d2ec5f74c443ed3a4dd45d3131f2
• https://source.android.com/security/bulletin/2025-09-01

Read on 2026-11-03T02:16:50.211Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/48xxx/CVE-2025-48543.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

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