Privilege Escalation in Intel Arc B-series GPUs Due to Incorrect Default Permissions
CVE-2025-32091

8.4HIGH

Key Information:

Vendor

Intel
Status
Intel(r) Arc(tm) B-series Gpus
Vendor
CVE Published:
11 November 2025

What is CVE-2025-32091?

An internal security flaw exists in the firmware of Intel Arc B-series GPUs, characterized by incorrect default permissions. This vulnerability may allow privileged users to escalate their access rights, potentially leading to unauthorized information disclosure and systemic compromise. The exploitation scenario demands local access, integrating knowledge of specific system weaknesses, and notably requires no interaction from other users. Due to the nature of this vulnerability, it can significantly impact the confidentiality, integrity, and availability of affected systems.

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Affected Version(s)

Intel(R) Arc(TM) B-series GPUs See references

References

https://intel.com/content/www/us/en/security-center/advis...

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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