Published Aug 28, 2026Sources checked Oct 28, 2026
N/ACVSS not listedScore unavailable
What this means
Review the available evidence
CVE-2026-80703. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do next
Remediation and response
Microsoft Security Response Center guidance
Vendor revision: Oct 2, 2026
Release Notes
Vendor-listed releases
6.6.152.1-1
CISA KEVNot listedBased on the latest collected catalog
EPSS0.2%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2026-80703?
In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE
Prevent unauthorized termination of active GPU debug sessions. Previously, users with /dev/kfd access could terminate another process's debug session without proper ownership or ptrace authorization.
(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)