CVE-2015-8939

CVE-2015-8939 is a high-severity privilege escalation vulnerability affecting Google Android devices, specifically the Nexus 7 (2013) before the 2016-08-05 update. It stems from insufficient validation of color stage data in the mdp4_util.c driver, allowing attackers to gain elevated privileges through a crafted application. The attack requires user interaction (UI:R) but has low attack complexity (AC:L), with potential for high impact on confidentiality, integrity, and availability (C:H/I:H/A:H). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.