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CVE-2026-98687VulnerabilityPublished Updated

Microsoft · thunderbolt: Reject oversized XDomain properties responses

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-98687· Medium

Not known to be exploited · fixed in b270c1074860de74da0d6b5250fb06b359b9d509 : update Microsoft when convenient.

Data as of 28 Oct 2026, 09:14 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in b270c1074860de74da0d6b5250fb06b359b9d509, a766a86ff48acee76aeb8e2575771040749e509d, 80756e263846ab694984e749e8c626897331438f +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ d1ff70241a275133e1a0258b7c23588b122276c8, < b270c1074860de74da0d6b5250fb06b359b9d509
Fixed in
  • b270c1074860de74da0d6b5250fb06b359b9d509
LinuxLinuxAffected
  • ≥ d1ff70241a275133e1a0258b7c23588b122276c8, < a766a86ff48acee76aeb8e2575771040749e509d
Fixed in
  • a766a86ff48acee76aeb8e2575771040749e509d
LinuxLinuxAffected
  • ≥ d1ff70241a275133e1a0258b7c23588b122276c8, < 80756e263846ab694984e749e8c626897331438f
Fixed in
  • 80756e263846ab694984e749e8c626897331438f
LinuxLinuxAffected
  • ≥ d1ff70241a275133e1a0258b7c23588b122276c8, < 737a1d2e9642d5f718bd29aa4a98b9eef3832f0a
Fixed in
  • 737a1d2e9642d5f718bd29aa4a98b9eef3832f0a
LinuxLinuxAffected
  • ≥ d1ff70241a275133e1a0258b7c23588b122276c8, < 2f97f929dad9eb3e1f63b721d2dd49bf9bc68efa
Fixed in
  • 2f97f929dad9eb3e1f63b721d2dd49bf9bc68efa
LinuxLinuxAffected
  • =4.15
Fixed in–

Description

This vulnerability, identified as CVE-2026-98687, relates to the handling of oversized XDomain properties responses in Microsoft software versions 3.0 and 4.0. The advisory references Microsoft's support lifecycle but does not provide detailed technical information or impact specifics.

References

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