Published May 28, 2026Sources checked Nov 11, 2026
7.8HIGHCVSS out of 10
What this means
Review the available evidence
CVE-2026-46241 and is rated High severity with a CVSS score of 7.8. 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: Nov 5, 2026
Release Notes
CISA KEVNot listedBased on the latest collected catalog
EPSS0.1%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2026-46241?
In the Linux kernel, the following vulnerability has been resolved:
spi: mpc52xx: fix use-after-free on registration failure
Make sure to disable and free the interrupts in case controller registration fails to avoid a potential use-after-free and resource leak.
This issue was flagged by Sashiko when reviewing a controller deregistration fix.