CVE-2026-21062 Samsung Mobile CVE debrief

Who should care

Users of SemClipboardService prior to SMR Aug-2026 Release 1 should verify configuration and apply remediation when available. This includes operators, security teams, and vulnerability management teams responsible for ensuring the security of SemClipboardService deployments. Additionally, defenders should review compensating controls for exposed systems while remediation is scheduled and verified, and check relevant monitoring, detection, and logs for exposed assets that need extra review.

Technical summary

CVE-2026-21062 is an authorization bypass vulnerability in SemClipboardService prior to SMR Aug-2026 Release 1, allowing local attackers to access clipboard data. This vulnerability affects users of SemClipboardService prior to SMR Aug-2026 Release 1. The vulnerability is caused by a lack of proper authorization checks, which can be exploited by local attackers to access sensitive data. The affected product is SemClipboardService, and the vulnerability can be mitigated by applying the vendor-supported updates or mitigations.

Defensive priority

Local attackers may access clipboard data due to an authorization bypass in SemClipboardService prior to SMR Aug-2026 Release 1.

Recommended defensive actions

• Verify SemClipboardService configuration and clipboard data access controls
• Monitor for local attacker activity
• Apply vendor remediation when available
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

Evidence is limited; verify SemClipboardService configuration and clipboard data access controls. Monitor for local attacker activity. The CVE record was published on 2026-08-10T08:16:48.397Z and has not been modified since then. Users should verify configuration and apply remediation when available. Limited evidence is available to confirm affected scope.

Official resources