CVE-2026-58718

In smmu_detach_dev_nested of arm-smmu-v3.c, there is a possible escalation of privilege due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

  • Published Sep 15, 2026
  • CVSS 6.7 medium
  • 0.1% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-58718 at the National Vulnerability Database