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CVE-2026-98421VulnerabilityPublished Updated

Microsoft · wifi: mac80211: require a peer station for TDLS setup confirm

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98421

Not known to be exploited · fixed in fce36d242a18ddf64731d816a37564103172da11 : update Microsoft when convenient.

Data as of 2 Nov 2026, 10:58 UTC

Severity
Unrated

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS
0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in fce36d242a18ddf64731d816a37564103172da11, d0afa5395c46d73ad2090aa50209886e84f179bd, 742c762bee59c973684f70dfed7de4945d3141e2 +3

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
  • ≥ 6f7eaa47e1de30159277f91f1145a6687f13ffd9, < fce36d242a18ddf64731d816a37564103172da11
Fixed in
  • fce36d242a18ddf64731d816a37564103172da11
LinuxLinuxAffected
  • ≥ 6f7eaa47e1de30159277f91f1145a6687f13ffd9, < d0afa5395c46d73ad2090aa50209886e84f179bd
Fixed in
  • d0afa5395c46d73ad2090aa50209886e84f179bd
LinuxLinuxAffected
  • ≥ 6f7eaa47e1de30159277f91f1145a6687f13ffd9, < 742c762bee59c973684f70dfed7de4945d3141e2
Fixed in
  • 742c762bee59c973684f70dfed7de4945d3141e2
LinuxLinuxAffected
  • ≥ 6f7eaa47e1de30159277f91f1145a6687f13ffd9, < 038e1d126304fd25d507fd4e671232df57bd1799
Fixed in
  • 038e1d126304fd25d507fd4e671232df57bd1799
LinuxLinuxAffected
  • ≥ 6f7eaa47e1de30159277f91f1145a6687f13ffd9, < 6bae6ef511a29ef12ab969adeea691067d4d5d74
Fixed in
  • 6bae6ef511a29ef12ab969adeea691067d4d5d74
LinuxLinuxAffected
  • ≥ 6f7eaa47e1de30159277f91f1145a6687f13ffd9, < 1c0a5c96473b9e7a5f4c453ef6a13dc0f5589a4b
Fixed in
  • 1c0a5c96473b9e7a5f4c453ef6a13dc0f5589a4b

Description

This vulnerability involves the WiFi mac80211 component related to requiring a peer station for TDLS setup confirmation. It affects Microsoft products with versions 3.0 and 4.0. No CVSS score or detailed impact information is provided. There is no indication of known exploits in the wild or available patches.

References

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