CVE-2026-21023: Insufficient verification of data authenticity in PackageManagerService prior to SMR Mar-2026 Release 1 allows local…
CVE-2026-21023 · Severity: medium · CVSS 5.5 · Published 2026-04-29
Insufficient verification of data authenticity in PackageManagerService prior to SMR Mar-2026 Release 1 allows local attackers to modify the installation restriction of specific application.
No. Junglewise Threat Intelligence has no report of CVE-2026-21023 being exploited in the wild.
How severe is CVE-2026-21023?
Medium severity, with a CVSS score of 5.5, published 29 April 2026.
Which products and versions are affected?
Samsung Android. The advisory does not name versions.
Is there a fix for CVE-2026-21023?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-21023?
Check whether you run Samsung Android. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.