PatchSiren cyber security CVE debrief

CVE-2026-21062 Samsung Mobile CVE debrief

CVE-2026-21062 is an authorization bypass vulnerability in SemClipboardService prior to SMR Aug-2026 Release 1. This vulnerability allows local attackers to access clipboard data. The affected product is SemClipboardService, which is a component that manages clipboard data. The vulnerability class is authorization bypass, which can have a significant operational impact on the security of the system. The source confidence is limited, and defenders should verify the configuration and apply remediation when available. The CVE record was published on 2026-08-10T08:16:48.397Z and has not been modified since then.

Vendor: Samsung Mobile
Product: Samsung Mobile Devices
CVSS: MEDIUM 4.8
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-08-10
Original CVE updated: 2026-08-19
Advisory published: 2026-08-10
Advisory updated: 2026-08-19

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.

Sources and references

Verified primary and authoritative sources

CVE-2026-21062 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-21062

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-21062 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-21062

NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.