Published May 28, 2026Sources checked Nov 11, 2026
7.8HIGHCVSS out of 10
What this means
Review the available evidence
CVE-2026-46136 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: Jun 9, 2026
CBL-Mariner Releases
Vendor-listed releases
6.6.141.1-1
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-2026-46136?
In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: mt7921: fix a potential clc buffer length underflow
The buf_len is used to limit the iterations for retrieving the country power setting and may underflow under certain conditions due to changes in the power table in CLC.
This underflow leads to an almost infinite loop or an invalid power setting resulting in driver initialization failure.