Microsoft · wifi: mt76: mt7921: fix a potential clc buffer length underflow
Affects MicrosoftSource GCVE Database
Not known to be exploited.
Data as of 30 Oct 2026, 11:52 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 2 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Security Response Center Microsoft | Affected
| Fixed in– |
AI-suggested
Since this is not a cloud service, remediation depends on vendor updates to the affected software version.
Description
CVE-2026-46136 is a vulnerability in the mt76 wireless driver component, specifically the mt7921 chipset, involving a potential buffer length underflow in the clc buffer handling. The issue is identified in Microsoft product version 3.0. No CVSS score or detailed impact metrics are provided. There is no indication of known exploits in the wild or public exploit code. The vulnerability affects a specific software version and is not related to a cloud service.