PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-21027 Samsung Mobile CVE debrief

CVE-2026-21027 is a MEDIUM severity vulnerability with a CVSS score of 4.8. It involves improper export of android application components in ImsSettings prior to SMR Jun-2026 Release 1, allowing local attackers to trigger logging functions.

Vendor
Samsung Mobile
Product
Samsung Mobile Devices
CVSS
MEDIUM 4.8
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 Android devices, particularly those with versions prior to SMR Jun-2026 Release 1, should apply the necessary patches to mitigate this vulnerability.

Technical summary

The vulnerability is caused by improper export of android application components in ImsSettings. This allows local attackers to trigger logging functions, potentially leading to information disclosure or other security issues.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply the security patch released by Samsung for SMR Jun-2026 Release 1 or later.
  • Ensure that your Samsung Android device is updated to the latest security patch level.
  • Use secure coding practices and review application component exports for similar vulnerabilities.

Evidence notes

The CVE-2026-21027 record and details were obtained from official sources, including CVE.org and NVD.

Official resources

CVE-2026-21027 was published on 2026-06-05T11:16:35.213Z and modified on 2026-06-06T02:00:43.117Z.