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CVE-2026-99027VulnerabilityPublished Updated

Microsoft · net: team: stop reusing skb after queue override

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-99027· High

Not known to be exploited · fixed in bed63353341d2d44cbad034001dd382cfe3a3892 : patch Microsoft soon.

Data as of 28 Oct 2026, 08:45 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in bed63353341d2d44cbad034001dd382cfe3a3892, b7454f1940c5e6d92e753853c476a769e452f30a, b21f20320fa2f3c683e3334d70de6bfd172e544a +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 8ff5105a2b9dd0ba596719b165c1827d101e5f1a, < bed63353341d2d44cbad034001dd382cfe3a3892
Fixed in
  • bed63353341d2d44cbad034001dd382cfe3a3892
LinuxLinuxAffected
  • ≥ 8ff5105a2b9dd0ba596719b165c1827d101e5f1a, < b7454f1940c5e6d92e753853c476a769e452f30a
Fixed in
  • b7454f1940c5e6d92e753853c476a769e452f30a
LinuxLinuxAffected
  • ≥ 8ff5105a2b9dd0ba596719b165c1827d101e5f1a, < b21f20320fa2f3c683e3334d70de6bfd172e544a
Fixed in
  • b21f20320fa2f3c683e3334d70de6bfd172e544a
LinuxLinuxAffected
  • ≥ 8ff5105a2b9dd0ba596719b165c1827d101e5f1a, < 07a48cfceb3d0555710a9acb87c949500a7b4523
Fixed in
  • 07a48cfceb3d0555710a9acb87c949500a7b4523
LinuxLinuxAffected
  • ≥ 8ff5105a2b9dd0ba596719b165c1827d101e5f1a, < 0c0568c9d35c47dc8e3ef6705d4c35a02bd88c4e
Fixed in
  • 0c0568c9d35c47dc8e3ef6705d4c35a02bd88c4e
LinuxLinuxAffected
  • =3.7
Fixed in–

Description

CVE-2026-99027 is a vulnerability in Microsoft products related to network team functionality where a socket buffer (skb) is reused after a queue override. The vulnerability is identified in versions 3.0 and 4.0 of the affected software. No CVSS score or detailed impact information is provided.

References

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