PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-21029 Samsung Mobile CVE debrief

CVE-2026-21029 is a MEDIUM severity vulnerability with a CVSS score of 6.8. It involves improper export of android application components in Galaxy Editing Service prior to SMR Jun-2026 Release 1, allowing a local attacker to execute privileged operations.

Vendor
Samsung Mobile
Product
Samsung Mobile Devices
CVSS
MEDIUM 6.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-06-06
Advisory published
2026-06-05
Advisory updated
2026-06-06

Who should care

Users of Samsung Galaxy devices with versions prior to SMR Jun-2026 Release 1 should apply the patch to prevent local attackers from executing privileged operations.

Technical summary

The vulnerability is caused by improper export of android application components in Galaxy Editing Service. This allows a local attacker to execute privileged operations on affected Samsung Galaxy devices.

Defensive priority

High

Recommended defensive actions

  • Apply the patch: Refer to https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=06 for patch details.

Evidence notes

CVE-2026-21029 details sourced from official CVE and NVD records.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-21029 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-21029

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

  • CVE-2026-21029 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-21029

    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.