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CVE-2026-74373VulnerabilityPublished Updated

Microsoft · md/raid1,raid10: fix bio accounting for split md cloned bios

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-74373· Low

Not known to be exploited · fixed in bcf30e14d2bd509c57e93021b46aedc878896e7b : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:48 UTC

Severity
Low

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in bcf30e14d2bd509c57e93021b46aedc878896e7b, bb8d7ea74206b419aa05d7773a15a923b668c9f0, ba976e3501111d11c550848b3b7341a73035f582 +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Aug 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
  • ≥ bb2a9acefaf9ce5bbc1e70f407e34599233d0243, < bcf30e14d2bd509c57e93021b46aedc878896e7b
Fixed in
  • bcf30e14d2bd509c57e93021b46aedc878896e7b
LinuxLinuxAffected
  • ≥ bb2a9acefaf9ce5bbc1e70f407e34599233d0243, < bb8d7ea74206b419aa05d7773a15a923b668c9f0
Fixed in
  • bb8d7ea74206b419aa05d7773a15a923b668c9f0
LinuxLinuxAffected
  • ≥ bb2a9acefaf9ce5bbc1e70f407e34599233d0243, < ba976e3501111d11c550848b3b7341a73035f582
Fixed in
  • ba976e3501111d11c550848b3b7341a73035f582
LinuxLinuxAffected
  • ≥ bb2a9acefaf9ce5bbc1e70f407e34599233d0243, < 235d16ae715104b981a4fbc9434398e3816773b1
Fixed in
  • 235d16ae715104b981a4fbc9434398e3816773b1
LinuxLinuxAffected
  • ≥ bb2a9acefaf9ce5bbc1e70f407e34599233d0243, < 91d0fc000d8cc40fcb4285e6160dd1ce98c56201
Fixed in
  • 91d0fc000d8cc40fcb4285e6160dd1ce98c56201
LinuxLinuxAffected
  • =6.6
Fixed in–

Description

This vulnerability, identified as CVE-2026-74373, relates to the md/raid1 and raid10 components and involves fixing bio accounting for split md cloned bios. The information provided is minimal and does not detail the nature of the flaw or its impact. The affected version is exactly version 3.0. No CVSS score or detailed impact information is available.

References

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