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CVE-2026-98812VulnerabilityPublished Updated

Microsoft · net/mctp: publish the mctp_dev only after it is initialised

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-98812· Medium

Not known to be exploited · fixed in f37f42e6e039a48c2dcf6c079b9f7fbc864ab7ef : update Microsoft when convenient.

Data as of 28 Oct 2026, 08:43 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in f37f42e6e039a48c2dcf6c079b9f7fbc864ab7ef, af6e4f931afc2d670d133aa2bedc8b6e3753c618, aadf655e8ea9a8ffa24bb8d69f504572e8d18181 +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 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
  • ≥ 583be982d93479ea3d85091b0fd0b01201ede87d, < f37f42e6e039a48c2dcf6c079b9f7fbc864ab7ef
Fixed in
  • f37f42e6e039a48c2dcf6c079b9f7fbc864ab7ef
LinuxLinuxAffected
  • ≥ 583be982d93479ea3d85091b0fd0b01201ede87d, < af6e4f931afc2d670d133aa2bedc8b6e3753c618
Fixed in
  • af6e4f931afc2d670d133aa2bedc8b6e3753c618
LinuxLinuxAffected
  • ≥ 583be982d93479ea3d85091b0fd0b01201ede87d, < aadf655e8ea9a8ffa24bb8d69f504572e8d18181
Fixed in
  • aadf655e8ea9a8ffa24bb8d69f504572e8d18181
LinuxLinuxAffected
  • ≥ 583be982d93479ea3d85091b0fd0b01201ede87d, < 63120572edde85bb2b70b0ed4d4817ed52247613
Fixed in
  • 63120572edde85bb2b70b0ed4d4817ed52247613
LinuxLinuxAffected
  • ≥ 583be982d93479ea3d85091b0fd0b01201ede87d, < 288ef37e0c463192dbb6436e61cdc07ce666dcb9
Fixed in
  • 288ef37e0c463192dbb6436e61cdc07ce666dcb9
LinuxLinuxAffected
  • =5.15
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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