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CVE-2026-98624VulnerabilityPublished Updated

event notifier · netfilter: nfnetlink_queue: hold nfnl mutex

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98624· Medium

Not known to be exploited · fixed in d559e06a5ab7c064100aafd5c826eadd0f1c6216 : update Microsoft when convenient.

Data as of 2 Nov 2026, 08:45 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in d559e06a5ab7c064100aafd5c826eadd0f1c6216, 597320337c3da06c92a9e95cfc755da66fedc476, 9461613afc59acef44a0071b0dd5075f6e993ffe +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 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 1 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb, < d559e06a5ab7c064100aafd5c826eadd0f1c6216
Fixed in
  • d559e06a5ab7c064100aafd5c826eadd0f1c6216
LinuxLinuxAffected
  • ≥ 7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb, < 597320337c3da06c92a9e95cfc755da66fedc476
Fixed in
  • 597320337c3da06c92a9e95cfc755da66fedc476
LinuxLinuxAffected
  • ≥ 7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb, < 9461613afc59acef44a0071b0dd5075f6e993ffe
Fixed in
  • 9461613afc59acef44a0071b0dd5075f6e993ffe
LinuxLinuxAffected
  • ≥ 7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb, < 46432f2e76f7c385d82506304a2928e7d293289f
Fixed in
  • 46432f2e76f7c385d82506304a2928e7d293289f
LinuxLinuxAffected
  • ≥ 7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb, < 8137a39e08e838ced234044384740ceeb99ed388
Fixed in
  • 8137a39e08e838ced234044384740ceeb99ed388
LinuxLinuxAffected
  • ≥ 7af4cc3fa158ff1dda6e7451c7e6afa6b0bb85cb, < 07a3ec8fdc5a1267c00cd6fd1cf8bbb5cda913c1
Fixed in
  • 07a3ec8fdc5a1267c00cd6fd1cf8bbb5cda913c1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

CVE-2026-98624 is a vulnerability related to the netfilter nfnetlink_queue component, specifically involving holding the nfnl mutex in an event notifier. The advisory provides no further technical details or impact description. The affected versions are Microsoft products version 3.0 and 4.0. No CVSS score or exploit information is available.

References

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