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CVE-2026-63866

HIGHCVSS 8.8/10EPSS 0.22%

Last modified

CVE-2026-63866 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.22%

13.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= dd82a9e02c054052b5899872c1f32805428f6131, < 455a48685feebf2d9c1656caad77f9ba1da7b06e; >= dd82a9e02c054052b5899872c1f32805428f6131, < c575459b485c47615491b1fd29f04b43fdc3da56; >= dd82a9e02c054052b5899872c1f32805428f6131, < 88973240dc7c976dd320b36a9e6d925c9be083ae
LinuxLinux6.15

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-63866?
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.
How severe is CVE-2026-63866?
CVE-2026-63866 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2026-63866?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST