CVE-2025-48543
Published 2025-09-04 · Updated 2026-06-17 · Source security@android.com
Summary
CVE-2025-48543 is a high-severity (CVSS 8.8) vulnerability in Android Runtime. CISA added it to the Known Exploited Vulnerabilities catalog on September 4, 2025, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by September 25, 2025. CISA does not currently list it as used in ransomware campaigns. Android has 17 vulnerabilities in the KEV catalog, 0 of them linked to ransomware.
All 17 known-exploited Android vulnerabilities →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.
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Android — Runtime
Name: Android Runtime Use-After-Free Vulnerability
Date added: 2025-09-04 · Due: 2025-09-25
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.