CVE-2026-21087

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.

Score

CVSS 4.0 8.6 High

Status

Analyzed - mobile.security@samsung.com

Published

2026-09-09

Last modified

2026-09-11

Weaknesses

CWE-787

Affected products

• Android (Samsung)
• Samsung Mobile Devices (Samsung Mobile)

References

• https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09