CVE-2016-2448

CVE-2016-2448 is a privilege escalation vulnerability in the mediaserver component of Android versions 4.x, 5.0.x, 5.1.x, and 6.x prior to their respective May 2016 security updates. An attacker can exploit this by tricking a user into installing a crafted application, which then improperly validates entry data structures to gain elevated privileges, such as Signature or SignatureOrSystem access. This vulnerability carries a high CVSSv3 score of 7.8, indicating a local attack vector with low complexity, requiring user interaction, and leading to high impacts on confidentiality, integrity, and availability. While the vulnerability has received some media coverage, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed in CISA's KEV catalog, suggesting it is not actively exploited in the wild.