Microsoft security update for CVE-2026-56864 — azl3
🔗 CVE IDs covered (1)
📋 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-2026-56864. This page also shows what EchelonGraph holds for CVE-2026-56864, 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 products7
- azl3 golang 1.25.12-1 on Azure Linux 3.0
- azl3 golang 1.26.10-1 on Azure Linux 3.0
- azl3 golang 1.26.11-1 on Azure Linux 3.0
- azl3 golang 1.26.5-2 on Azure Linux 3.0
- azl3 golang 1.26.7-1 on Azure Linux 3.0
- azl3 golang 1.27.0-1 on Azure Linux 3.0
- azl3 tensorflow 2.16.1-11 on Azure Linux 3.0
✅ Updates Microsoft lists: 2 updates
2 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.
| KB article | Update | Fixed build |
|---|---|---|
| — | Security Update | — |
| — | Security Update | — |
🧭 EchelonGraph on CVE-2026-56864
- EchelonGraph score
- 7.5 HIGH
- 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
A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log. This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log. In order to determine if you have been affected: rm -r go.sum go.work.sum vendor/ && go mod tidy
Published by Go Project, the CVE Numbering Authority that assigned CVE-2026-56864, 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).