CVE-2026-58747 Google CVE debrief

Who should care

Defenders of Android systems with System execution privileges should assess exposure and verify potential impact. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Additionally, defenders should plan vendor-supported updates or mitigations through normal change control where exposure is confirmed and review compensating controls for exposed

Why it matters

CVE-2026-58747 is a logic error in arm-smmu-v3.c that could lead to local escalation of privilege with System execution privileges, requiring verification of affected versions and exploitation status.

• Verification of System execution privileges is necessary to determine potential impact
• Assessment of exposure in Android systems is required to prioritize remediation
• Potential escalation of privilege could lead to increased risk of unauthorized access

Technical summary

A logic error in the smmu_detach_dev function of arm-smmu-v3.c could lead to a local permission bypass, allowing for escalation of privilege with System execution privileges. The vulnerability affects Android systems, and defenders should assess exposure and verify potential impact. The issue requires verification of affected versions and exploitation status. The CVE record and NVD entry provide details on the vulnerability.

Defensive priority

Verify System execution privileges and assess exposure in Android systems

Recommended defensive actions

• Verify System execution privileges in Android systems
• Assess exposure in Android systems
• Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but additional verification is needed to confirm affected versions and exploitation status.

Sources and references

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.