CVE-2026-21068

Summary

Stack-based buffer overflow in libril_sem.so prior to SMR Aug-2026 Release 1 allows privileged local attackers to execute arbitrary code.

Affected Software

VendorProductVersion RangeStatus
Samsung MobileSamsung Mobile DevicesSMR Aug-2026 Release in Android 14, 15, 16 < *unaffected

Weaknesses

  • CWE-121: Stack-based Buffer Overflow

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References