Samsung Android libmdnie.so OOB Write Enables System Privilege Escalation
CVE-2026-21087 Published on September 9, 2026
Out-of-bounds write in libmdnie.so prior to SMR Sep-2026 Release 1 allows local attackers to execute arbitrary code with system server privilege.
Vulnerability Analysis
CVE-2026-21087 can be exploited with local system access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Products Associated with CVE-2026-21087
Want to know whenever a new CVE is published for Samsung Mobile Devices? stack.watch will email you.
Affected Versions
Samsung Mobile Devices:- Version SMR Sep-2026 Release in Android 15, 16, 17 and below * is unaffected.