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CVE-2026-89975VulnerabilityPublished Updated

Microsoft · nvme-fabrics: fix DHCHAP secret leak on parse failure

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-89975· Medium

Not known to be exploited · fixed in d21da6cc91ba1c4f1ae5ba007f3cb89e1c0c7549 : update Microsoft when convenient.

Data as of 7 Nov 2026, 13:03 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in d21da6cc91ba1c4f1ae5ba007f3cb89e1c0c7549, afdee49a1b88ed9bb44e2b30e855297c169bcc53, 702c1ae0d31b44828ec3c87079def490c1ee1fb3 +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Sep 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
  • ≥ f50fff73d620cd6e8f48bc58d4f1c944615a3fea, < d21da6cc91ba1c4f1ae5ba007f3cb89e1c0c7549
Fixed in
  • d21da6cc91ba1c4f1ae5ba007f3cb89e1c0c7549
LinuxLinuxAffected
  • ≥ f50fff73d620cd6e8f48bc58d4f1c944615a3fea, < afdee49a1b88ed9bb44e2b30e855297c169bcc53
Fixed in
  • afdee49a1b88ed9bb44e2b30e855297c169bcc53
LinuxLinuxAffected
  • ≥ f50fff73d620cd6e8f48bc58d4f1c944615a3fea, < 702c1ae0d31b44828ec3c87079def490c1ee1fb3
Fixed in
  • 702c1ae0d31b44828ec3c87079def490c1ee1fb3
LinuxLinuxAffected
  • ≥ f50fff73d620cd6e8f48bc58d4f1c944615a3fea, < 35ec48228f6739339583e5a73ca315156372e30d
Fixed in
  • 35ec48228f6739339583e5a73ca315156372e30d
LinuxLinuxAffected
  • ≥ f50fff73d620cd6e8f48bc58d4f1c944615a3fea, < 15d7a35a489287109b5a7c157d53d9b8214f0318
Fixed in
  • 15d7a35a489287109b5a7c157d53d9b8214f0318
LinuxLinuxAffected
  • ≥ f50fff73d620cd6e8f48bc58d4f1c944615a3fea, < 3ce0e9b43f355dfa0bdc0e0dd889795752285791
Fixed in
  • 3ce0e9b43f355dfa0bdc0e0dd889795752285791

Description

A vulnerability identified as CVE-2026-89975 affects Microsoft products version 3.0 and 4.0 related to nvme-fabrics. The issue involves a DHCHAP secret leak occurring on parse failure. No CVSS score or detailed impact information is provided.

References

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