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CVE-2026-98695VulnerabilityPublished Updated

Microsoft · USB: serial: fix ioctl hangup race

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98695· Medium

Not known to be exploited · fixed in c7ef25e96dc3f808eb891bbbd43b6a682846eb0c : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:47 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in c7ef25e96dc3f808eb891bbbd43b6a682846eb0c, ae0e61d95677efa778379853e495d748e6efbf95, ae0da9a5c1ca95c20cc5feffd511ce6eae75924e +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 7 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ f34d7a5b7010b82fe97da95496b9971435530062, < c7ef25e96dc3f808eb891bbbd43b6a682846eb0c
Fixed in
  • c7ef25e96dc3f808eb891bbbd43b6a682846eb0c
LinuxLinuxAffected
  • ≥ f34d7a5b7010b82fe97da95496b9971435530062, < ae0e61d95677efa778379853e495d748e6efbf95
Fixed in
  • ae0e61d95677efa778379853e495d748e6efbf95
LinuxLinuxAffected
  • ≥ f34d7a5b7010b82fe97da95496b9971435530062, < ae0da9a5c1ca95c20cc5feffd511ce6eae75924e
Fixed in
  • ae0da9a5c1ca95c20cc5feffd511ce6eae75924e
LinuxLinuxAffected
  • ≥ f34d7a5b7010b82fe97da95496b9971435530062, < 7912a95d1345c77d8d63b530b00c118700b78abd
Fixed in
  • 7912a95d1345c77d8d63b530b00c118700b78abd
LinuxLinuxAffected
  • ≥ f34d7a5b7010b82fe97da95496b9971435530062, < 4597ddd6168ae2a4123404e5f0871f1070dc7773
Fixed in
  • 4597ddd6168ae2a4123404e5f0871f1070dc7773
LinuxLinuxAffected
  • ≥ f34d7a5b7010b82fe97da95496b9971435530062, < 98f0a25134bfce44ebd1db0341fa0e8603ff276d
Fixed in
  • 98f0a25134bfce44ebd1db0341fa0e8603ff276d

Description

CVE-2026-98695 is a vulnerability related to the USB serial driver, specifically addressing a fix for an ioctl hangup race condition. The affected Microsoft product versions are 3.0 and 4.0. No detailed technical or impact information is provided beyond the existence of this published vulnerability.

References

Community reviews

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