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CVE-2026-98422VulnerabilityPublished Updated

Microsoft · wifi: mac80211: reset the AP_VLAN tailroom counter on ifdown

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98422· Low

Not known to be exploited · fixed in f6b34a7d64324faf28eedc0f8678b0f832f1cc36 : update Microsoft when convenient.

Data as of 2 Nov 2026, 10:58 UTC

Severity
Low

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS
0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in f6b34a7d64324faf28eedc0f8678b0f832f1cc36, b0b32d3f163d24ea7134380666193bf398e9dc0b, 875835377d8d62c849b4eb03a7abfafa71d7668f +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 2 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ f9dca80b98caac8b4bfb43a2edf1e9f877ccf322, < f6b34a7d64324faf28eedc0f8678b0f832f1cc36
Fixed in
  • f6b34a7d64324faf28eedc0f8678b0f832f1cc36
LinuxLinuxAffected
  • ≥ f9dca80b98caac8b4bfb43a2edf1e9f877ccf322, < b0b32d3f163d24ea7134380666193bf398e9dc0b
Fixed in
  • b0b32d3f163d24ea7134380666193bf398e9dc0b
LinuxLinuxAffected
  • ≥ f9dca80b98caac8b4bfb43a2edf1e9f877ccf322, < 875835377d8d62c849b4eb03a7abfafa71d7668f
Fixed in
  • 875835377d8d62c849b4eb03a7abfafa71d7668f
LinuxLinuxAffected
  • ≥ f9dca80b98caac8b4bfb43a2edf1e9f877ccf322, < 7775759e3cb35ef5a571b2d877c2a9b70a5d5f08
Fixed in
  • 7775759e3cb35ef5a571b2d877c2a9b70a5d5f08
LinuxLinuxAffected
  • ≥ f9dca80b98caac8b4bfb43a2edf1e9f877ccf322, < 4504f3960dc4501c73be9f99eabda2e26e9db41e
Fixed in
  • 4504f3960dc4501c73be9f99eabda2e26e9db41e
LinuxLinuxAffected
  • ≥ f9dca80b98caac8b4bfb43a2edf1e9f877ccf322, < 304a874670a0b6ab5589a7f60b4af0251797b121
Fixed in
  • 304a874670a0b6ab5589a7f60b4af0251797b121

Description

This vulnerability, identified as CVE-2026-98422, relates to the wifi mac80211 component and involves resetting the AP_VLAN tailroom counter on interface down events. The information provided is minimal and does not include details on the impact or exploitation. The affected versions are Microsoft products version 3.0 and 4.0. No CVSS score or detailed technical impact is available.

References

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