What is CVE-2026-39819?

CVE-2026-39819 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Invoking "go bug" follows symlinks in predictable temporary filenames in cmd/go

Which CVE IDs does CVE-2026-39819 cover?

CVE-2026-39819 covers the following CVE IDs: CVE-2026-39819. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-39819?

CVE-2026-39819 has a CVSS v3 base score of 5.3, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-39819?

CVE-2026-39819 affects 3 products, including: azl3 golang 1.25.9-1 on Azure Linux 3.0; azl3 golang 1.26.2-1 on Azure Linux 3.0; azl3 golang 1.27.0-1 on Azure Linux 3.0.

CVE-2026-39819MediumCVSS 5.3

Invoking "go bug" follows symlinks in predictable temporary filenames in cmd/go

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-39819 →

🎯 Affected products3

azl3 golang 1.25.9-1 on Azure Linux 3.0
azl3 golang 1.26.2-1 on Azure Linux 3.0
azl3 golang 1.27.0-1 on Azure Linux 3.0

✅ Remediation

Security Update

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-39819
patchhttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade