CVE-2018-5407MediumMicrosoft CVSS 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Microsoft advisory for CVE-2018-5407

Published
April 29, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2018-5407 →

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-5407. This page also shows what EchelonGraph holds for CVE-2018-5407, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products8

  • azl3 shim-unsigned-aarch64 16.1-1 on Azure Linux 3.0
  • azl3 shim-unsigned-aarch64 16.1-2 on Azure Linux 3.0
  • azl3 shim-unsigned-x64 16.1-1 on Azure Linux 3.0
  • azl3 shim-unsigned-x64 16.1-2 on Azure Linux 3.0
  • cbl2 shim-unsigned-aarch64 15-5
  • cbl2 shim-unsigned-aarch64 15-5 on CBL Mariner 2.0
  • cbl2 shim-unsigned-x64 15.8-1
  • cbl2 shim-unsigned-x64 15.8-1 on CBL Mariner 2.0

🧭 EchelonGraph on CVE-2018-5407

EchelonGraph score
4.7 MEDIUM
CISA KEV
Not listed
Fix status
A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.

Published by CERT/CC, the CVE Numbering Authority that assigned CVE-2018-5407, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (1)