CVE-2026-63866: wifi: mt76: mt7996: Clear wcid pointer in mt7996_mac_sta_deinit_link()
Published Jul 19, 2026
·Updated
In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: mt7996: Clear wcid pointer in mt7996macstadeinitlink()
Clear WCID pointer removing the sta link in mt7996macstadeinitlink routine.
Affected Software
1 affected component
Linux Linux kernel
Event History
Jul 19, 2026
CVE Published
via MITRE·02:04 PM
Data Sourced
via MITRE·02:04 PM
DescriptionSeverity
Data Sourced
via NVD·03:16 PM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-63866?
CVE-2026-63866 has a high severity rating of 8.8.
2
How do I fix CVE-2026-63866?
To fix CVE-2026-63866, update your Linux kernel to the latest patched version.
3
What systems are affected by CVE-2026-63866?
CVE-2026-63866 affects systems running the vulnerable versions of the Linux kernel that utilize the mt76 driver.
4
What does CVE-2026-63866 impact in the Linux kernel?
CVE-2026-63866 impacts the handling of the WCID pointer in the mt7996_mac_sta_deinit_link routine.
5
Is there a known exploit for CVE-2026-63866?
As of now, there is no publicly known exploit for CVE-2026-63866.