CVE-2026-56941 Google CVE debrief

Who should care

Android system administrators and security teams should assess exposure and apply patches or mitigations as available to prevent potential exploitation. The vulnerability exists in multiple functions of fpc_tee_hal.c due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed.

Why it matters

CVE-2026-56941 is a use-after-free vulnerability in fpc_tee_hal.c that could lead to local escalation of privilege. Android system administrators and security teams should assess exposure and apply patches or mitigations as available to prevent potential exploitation.

• Local escalation of privilege could allow attackers to gain elevated access to sensitive data or system functionality
• Successful exploitation could lead to unauthorized access or modifications to system resources
• Defenders should prioritize patching or mitigating this vulnerability to prevent potential exploitation

Technical summary

A use-after-free vulnerability exists in multiple functions of fpc_tee_hal.c due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. The vulnerability affects Android system administrators and security teams, who should assess exposure and apply patches or mitigations as available to prevent potential exploitation. The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 8.4 and severity of HIGH.

Defensive priority

Assess exposure and apply patches or mitigations as available.

Recommended defensive actions

• Assess exposure and apply patches or mitigations as available
• Review and update affected systems
• Monitor for potential exploitation attempts
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 8.4 and severity of HIGH. Android system administrators and security teams should assess exposure and apply patches or mitigations as available to prevent potential exploitation. The vulnerability exists in multiple functions of fpc_tee_hal.c due to a logic error.

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.