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CVE-2026-98694VulnerabilityPublished Updated

Microsoft · thunderbolt: Fix KASAN reported use-after-free when request is canceled

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-98694· High

Not known to be exploited · fixed in f18faa3d3b810d60a3005ae1b1d1866faa67d343 : patch Microsoft soon.

Data as of 28 Oct 2026, 09:14 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in f18faa3d3b810d60a3005ae1b1d1866faa67d343, b70b9c41f240c42bf6e728034537c0fe60c16ef4, a02188ddc24b7872f0c5e0c5873f827318717803 +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
  • ≥ d7f781bfdbf4eb7c5706c9974b8bf6d3c82e69c1, < f18faa3d3b810d60a3005ae1b1d1866faa67d343
Fixed in
  • f18faa3d3b810d60a3005ae1b1d1866faa67d343
LinuxLinuxAffected
  • ≥ d7f781bfdbf4eb7c5706c9974b8bf6d3c82e69c1, < b70b9c41f240c42bf6e728034537c0fe60c16ef4
Fixed in
  • b70b9c41f240c42bf6e728034537c0fe60c16ef4
LinuxLinuxAffected
  • ≥ d7f781bfdbf4eb7c5706c9974b8bf6d3c82e69c1, < a02188ddc24b7872f0c5e0c5873f827318717803
Fixed in
  • a02188ddc24b7872f0c5e0c5873f827318717803
LinuxLinuxAffected
  • ≥ d7f781bfdbf4eb7c5706c9974b8bf6d3c82e69c1, < 08287212b622039212c972806f896f078dfd28e2
Fixed in
  • 08287212b622039212c972806f896f078dfd28e2
LinuxLinuxAffected
  • ≥ d7f781bfdbf4eb7c5706c9974b8bf6d3c82e69c1, < 71b3c517e02af2c46ad58d4b3706b7c3cb24936d
Fixed in
  • 71b3c517e02af2c46ad58d4b3706b7c3cb24936d
LinuxLinuxAffected
  • =4.13
Fixed in–

Description

A use-after-free vulnerability was reported in the Thunderbolt component of Microsoft software, identified as CVE-2026-98694. The issue occurs when a request is canceled, leading to a potential use-after-free condition detected by Kernel Address Sanitizer (KASAN).

References

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