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PatchSiren cyber security CVE debrief

CVE-2026-21112 Samsung Mobile CVE debrief

CVE-2026-21112 Improper input validation in Samsung Tips prior to Android 17 allows local attackers to launch arbitrary activity with Samsung Tips privilege. User interaction is required for triggering this vulnerability. This medium-severity vulnerability requires defenders to assess exposure and prioritize verifying and applying the vendor's patch for Samsung Tips prior to Android 17. The vulnerability's impact is limited to local attackers with Samsung Tips privilege, emphasizing the need for defenders to verify and apply the vendor's patch promptly.

Vendor
Samsung Mobile
Product
Samsung Tips
CVSS
MEDIUM 5.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-09
Original CVE updated
2026-09-23
Advisory published
2026-09-09
Advisory updated
2026-09-23

Who should care

Defenders responsible for Samsung Tips and Android 17 systems should assess exposure and prioritize verifying and applying the vendor's patch.

Why it matters

CVE-2026-21112 is a medium-severity vulnerability in Samsung Tips prior to Android 17, allowing local attackers to launch arbitrary activity with Samsung Tips privilege. Defenders should prioritize verifying and applying the vendor's patch and assess exposure for local attackers with Samsung Tips privilege.

  • Local attackers may launch arbitrary activity with Samsung Tips privilege
  • User interaction is required for triggering this vulnerability
  • Defenders should verify and apply the vendor's patch for Samsung Tips prior to Android 17

Technical summary

The vulnerability is due to improper input validation in Samsung Tips prior to Android 17, allowing local attackers to launch arbitrary activity with Samsung Tips privilege. User interaction is required for triggering this vulnerability. Defenders should prioritize verifying and applying the vendor's patch for Samsung Tips prior to Android 17 and assess exposure for local attackers with Samsung Tips privilege. The vulnerability's technical details highlight the importance of validating user input to prevent arbitrary activity launches.

Defensive priority

Defenders should prioritize verifying and applying the vendor's patch for Samsung Tips prior to Android 17, and assess exposure for local attackers with Samsung Tips privilege.

Recommended defensive actions

  • Verify and apply the vendor's patch for Samsung Tips prior to Android 17
  • Assess exposure for local attackers with Samsung Tips privilege
  • Monitor for user interaction that could trigger this vulnerability

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the vulnerability, including its description, CVSS score, and affected versions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-21112 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-21112

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-21112 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-21112

    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.