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CVE-2026-80676VulnerabilityPublished Updated

Microsoft · Drivers: hv: vmbus: use generic driver_override infrastructure

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-80676· High

Not known to be exploited · fixed in d1cb12ae81d2f7a58b0b1cfb51862afca98e6058 : patch Microsoft soon.

Data as of 7 Nov 2026, 12:18 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in d1cb12ae81d2f7a58b0b1cfb51862afca98e6058, a1656234a4a2dc6e975546867887c5f63e4a90f0, 331d8900121a1d74ecd45cd2db742ddcb5a0a565 +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 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
  • ≥ d765edbb301c0e196015a59b17420558088ea33f, < d1cb12ae81d2f7a58b0b1cfb51862afca98e6058
Fixed in
  • d1cb12ae81d2f7a58b0b1cfb51862afca98e6058
LinuxLinuxAffected
  • ≥ d765edbb301c0e196015a59b17420558088ea33f, < a1656234a4a2dc6e975546867887c5f63e4a90f0
Fixed in
  • a1656234a4a2dc6e975546867887c5f63e4a90f0
LinuxLinuxAffected
  • ≥ d765edbb301c0e196015a59b17420558088ea33f, < 331d8900121a1d74ecd45cd2db742ddcb5a0a565
Fixed in
  • 331d8900121a1d74ecd45cd2db742ddcb5a0a565
LinuxLinuxAffected
  • ≥ d765edbb301c0e196015a59b17420558088ea33f, < 2fb010ea7ca98cd09a6d365260b769f627e73a76
Fixed in
  • 2fb010ea7ca98cd09a6d365260b769f627e73a76
LinuxLinuxAffected
  • ≥ d765edbb301c0e196015a59b17420558088ea33f, < 0e2f0833556c8c5269deb457b89d538644a3b747
Fixed in
  • 0e2f0833556c8c5269deb457b89d538644a3b747
LinuxLinuxAffected
  • =4.20
Fixed in–

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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