CVE-2026-58701 Google CVE debrief

Who should care

System administrators, security teams, and developers responsible for maintaining and securing Android systems should assess exposure and prioritize verification and mitigation efforts.

Why it matters

CVE-2026-58701 is a high-severity vulnerability in trusty_dputc of generic-arm64-smcall.c that allows possible out-of-bounds write due to a race condition, potentially leading to local escalation of privilege with System execution privileges needed. System administrators and security teams should prioritize verification of affected systems and apply patches or mitigations as available.

• Verification of system configurations and patch application is required to prevent potential escalation of privilege
• Monitoring system logs for exploitation attempts is necessary to detect potential security incidents
• Review and update incident response plans to address potential security consequences

Technical summary

The vulnerability exists in trusty_dputc of generic-arm64-smcall.c and allows a possible out-of-bounds write due to a race condition, which could lead to local escalation of privilege with System execution privileges needed. The affected product is Android, and the vulnerability has a high CVSS score of 7. The CVE record and NVD entry provide details on the vulnerability.

Defensive priority

System administrators and security teams should prioritize verification of affected systems and apply patches or mitigations as available.

Recommended defensive actions

• Verify system configurations and apply patches or mitigations as available
• Monitor system logs for potential exploitation attempts
• Review and update incident response plans to address potential escalation of privilege

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its high CVSS score of 7 and the potential for local escalation of privilege.

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.