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CVE-2026-98568VulnerabilityPublished Updated

Microsoft · vxlan: use one headroom snapshot for neighbour replies

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98568· High

Not known to be exploited · fixed in ff022fd9d0f0282c575e11778b96bd1b637503eb : patch Microsoft soon.

Data as of 2 Nov 2026, 08:45 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in ff022fd9d0f0282c575e11778b96bd1b637503eb, fcaf456092dc86fd5b0b523ac27ec0d114066931, e3e24f4c434c56952412f875b834aa9daaa4fb15 +7

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
  • >=3.12.18 <3.13
  • >=3.13.10 <3.14
Fixed in
  • ff022fd9d0f0282c575e11778b96bd1b637503eb
  • fcaf456092dc86fd5b0b523ac27ec0d114066931
  • e3e24f4c434c56952412f875b834aa9daaa4fb15
  • a3c5eb6e382dd426a5e7eb08608897ed57167ff7
  • 481506a756dcd828ef42391cb08f38d8d96d38fc
  • 315d42ca39f69846662961c25dcf2bb07c350d14
  • 45a67662bf8ce3aa5643accf98d328dfbb47eaf6
  • 9ed5a548b42d46e6968a46b67ca8a8e49b12a5a1
  • 3.14
  • 3.13
LinuxLinuxAffected
  • =3.14
Fixed in–

Description

CVE-2026-98568 is a vulnerability related to the vxlan component in Microsoft software versions 3.0 and 4.0. The description and technical details provided are minimal and do not specify the nature or impact of the vulnerability.

References

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