High 8.8Published Jul 19, 2026

CVE-2026-63866wifi: mt76: mt7996: Clear wcid pointer in mt7996_mac_sta_deinit_link()

Updated under an hour ago (Oct 28, 2026, 7:00 AM ET)

Does this affect you?

It affects Linux and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Linux

Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Clear wcid pointer in mt7996_mac_sta_deinit_link() Clear WCID pointer removing the sta link in mt7996_mac_sta_deinit_link routine.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from dd82a9e02c054052b5899872c1f32805428f6131 before 455a48685feebf2d9c1656caad77f9ba1da7b06e; from dd82a9e02c054052b5899872c1f32805428f6131 before c575459b485c47615491b1fd29f04b43fdc3da56; from dd82a9e02c054052b5899872c1f32805428f6131 before 88973240dc7c976dd320b36a9e6d925c9be083ae	CNA record
linux linux_kernel linux:linux_kernel	from 6.15 before 6.18.33; from 6.19 before 7.0.10	NVD

References

References

https://git.kernel.org/stable/c/455a48685feebf2d9c1656caad77f9ba1da7b06e	patch
https://git.kernel.org/stable/c/c575459b485c47615491b1fd29f04b43fdc3da56	patch
https://git.kernel.org/stable/c/88973240dc7c976dd320b36a9e6d925c9be083ae	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.