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CVE-2026-80866VulnerabilityPublished Updated

tipc_exit_net() · tipc: avoid busy looping

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-80866· Medium

Not known to be exploited · fixed in c1481c94e74c955e0448ddf46b8615a44d840c1e : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:19 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in c1481c94e74c955e0448ddf46b8615a44d840c1e, 772769859226a5b004442403510acb58a1c32e72, 7672973957e3e20780afe5937a9fec70b72bc060 +6

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 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
  • >=5.4.124 <5.5
  • >=5.10.42 <5.11
  • >=5.12.9 <5.13
Fixed in
  • c1481c94e74c955e0448ddf46b8615a44d840c1e
  • 772769859226a5b004442403510acb58a1c32e72
  • 7672973957e3e20780afe5937a9fec70b72bc060
  • 522d1d950b9e3b68190a6de7534827c8dccedb73
  • 110bb16d37bdba03213156c0df37e7119c190936
  • 99b82c8452887408ea908fdfa5df33c4a5dfa88f
  • 5.13
  • 5.11
  • 5.5
LinuxLinuxAffected
  • =5.13
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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