Google Chrome Android Sandbox Escalation via UAF
CVE-2025-48543 Published on September 4, 2025
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.
Known Exploited Vulnerability
This Android Runtime Use-After-Free Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Android Runtime contains a use-after-free vulnerability potentially allowing a chrome sandbox escape leading to local privilege escalation.
The following remediation steps are recommended / required by September 25, 2025: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2025-48543 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2025-48543 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2025-48543
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Affected Versions
Google Android:- Version 16 is affected.
- Version 15 is affected.
- Version 14 is affected.
- Version 13 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.