CVE-2026-21105 Samsung CVE debrief

Who should care

Defenders responsible for Android 15 and Android 16 systems with Collection installed should assess exposure and prioritize remediation. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Defenders should also plan vendor-supported updates or mitigations through normal change control where exposure is confirmed and review compensating for

Why it matters

CVE-2026-21105 is a medium-severity vulnerability in Collection, allowing local attackers to access sensitive information. Defenders should assess exposure, prioritize remediation, and monitor for potential attacks.

• Local attackers may access sensitive information
• Remediation priority for Collection versions before 1.0.1.14 on Android 15 and before 2.0.02.7 on Android 16
• Inventory and monitoring may be necessary to detect potential exposure

Technical summary

The vulnerability is due to improper access control in Collection, allowing local attackers to access sensitive information. Affected versions are before 1.0.1.14 on Android 15 and before 2.0.02.7 on Android 16. This issue has a medium severity and could allow local attackers to access sensitive information. The vulnerability is caused by improper access control in Collection, which allows local attackers to access sensitive information.

Defensive priority

Assess exposure and prioritize remediation for Collection versions before 1.0.1.14 on Android 15 and before 2.0.02.7 on Android 16.

Recommended defensive actions

• Inventory Collection versions to identify potential exposure
• Prioritize remediation for Collection versions before 1.0.1.14 on Android 15 and before 2.0.02.7 on Android 16
• Monitor for local attacks attempting to access sensitive information

Evidence notes

The CVE record and NVD entry provide details on the improper access control vulnerability in Collection. However, additional information on potential exploitation or impact is limited.

Sources and references

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.