CVE-2025-48543
Published: September 4, 2025
Official Description
Android Runtime contains a use-after-free vulnerability potentially allowing a chrome sandbox escape leading to local privilege escalation.
CISA KEV Advisory
Android Runtime Use-After-Free Vulnerability
Android Runtime contains a use-after-free vulnerability potentially allowing a chrome sandbox escape leading to local privilege escalation.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Risk Analysis
This use-after-free vulnerability in Android Runtime could allow an attacker to escape the Chrome sandbox and gain elevated privileges. The high severity and confirmed exploitation in the wild make this an urgent concern.
This vulnerability is actively being exploited in the wild.
Apply all available security updates for Android devices to address this use-after-free vulnerability. Keep your Android operating system and browser applications up to date.
Technical Analysis
CVE-2025-48543 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2025-48543 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-48543 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1