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CVE-2026-99171VulnerabilityPublished

Microsoft · ntfs3: free the sbi after a grace period

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-99171· High

Not known to be exploited · fixed in c8b1a4840467930e01f1a9374d991d7a8a2896c1 : patch Microsoft soon.

Data as of 29 Oct 2026, 11:35 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in c8b1a4840467930e01f1a9374d991d7a8a2896c1, c01b091b06412d3b1b53d8c2925f6de586c8a2fc, 7abecef26a9be8f9de70659a3092250461a52072

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 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 29 Oct 2026.

What to do

Upgrade Linux to c8b1a4840467930e01f1a9374d991d7a8a2896c1, c01b091b06412d3b1b53d8c2925f6de586c8a2fc or 7abecef26a9be8f9de70659a3092250461a52072.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ a3a956c78efaa202b1d75190136671cf6e87bfbe, < c8b1a4840467930e01f1a9374d991d7a8a2896c1
Fixed in
  • c8b1a4840467930e01f1a9374d991d7a8a2896c1
LinuxLinuxAffected
  • ≥ a3a956c78efaa202b1d75190136671cf6e87bfbe, < c01b091b06412d3b1b53d8c2925f6de586c8a2fc
Fixed in
  • c01b091b06412d3b1b53d8c2925f6de586c8a2fc
LinuxLinuxAffected
  • ≥ a3a956c78efaa202b1d75190136671cf6e87bfbe, < 7abecef26a9be8f9de70659a3092250461a52072
Fixed in
  • 7abecef26a9be8f9de70659a3092250461a52072
LinuxLinuxAffected
  • =6.2
Fixed in–

Description

CVE-2026-99171 is a vulnerability related to the ntfs3 component in Microsoft software version 3.0. The description provided is minimal and does not detail the nature of the vulnerability or its impact. No CVSS score or detailed technical information is available.

References

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