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CVE-2026-21127 Samsung Mobile CVE debrief

CVE-2026-21127 debrief based on the supplied source corpus. The CVE record was published on 2026-10-12T04:57:44.041Z and has not been modified since then. The vulnerability involves improper export of android application components in Samsung Account prior to version 15.7.01.1, allowing local attackers to access sensitive data. Defenders should assess exposure and verify version 15.7.01.1 or later. The CVSS score is 6.9 (MEDIUM). This CVE record indicates a medium severity vulnerability that defenders should prioritize verifying exposure of Samsung Account versions prior to 15.7.01.1 and assessing local attack vectors.

Vendor
Samsung Mobile
Product
Samsung Account
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-12
Original CVE updated
2026-10-12
Advisory published
2026-10-12
Advisory updated
2026-10-12

Who should care

Defenders responsible for Samsung Account deployments, particularly those with local access, should assess exposure and verify version 15.7.01.1 or later.

Why it matters

CVE-2026-21127 allows local attackers to access sensitive data in Samsung Account versions prior to 15.7.01.1. Defenders should verify exposure, assess local attack vectors, and prioritize version verification.

  • Local attackers may access sensitive data
  • Verify Samsung Account version to prevent exposure
  • Assess local attack vectors to prevent exploitation

Technical summary

The CVE record describes improper export of android application components in Samsung Account prior to version 15.7.01.1, allowing local attackers to access sensitive data. The CVSS score is 6.9 (MEDIUM). This vulnerability affects Samsung Account deployments, particularly those with local access. Defenders should verify exposure, assess local attack vectors, and prioritize version verification to prevent exploitation.

Defensive priority

Defenders should prioritize verifying exposure of Samsung Account versions prior to 15.7.01.1 and assessing local attack vectors.

Recommended defensive actions

  • Verify Samsung Account version is 15.7.01.1 or later
  • Assess local attack vectors and sensitive data exposure
  • Monitor for unusual activity in Samsung Account

Evidence notes

The CVE record indicates improper export of android application components in Samsung Account prior to version 15.7.01.1, allowing local attackers to access sensitive data. However, details on exploitation and impact are limited.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-21127 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-21127

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

  • CVE-2026-21127 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-21127

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

Supplemental references

  • CVE-2026-21127

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/21xxx/CVE-2026-21127.json

    cve_program_cvelist_v5

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.