What is CVE-2026-6464?

CVE-2026-6464 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. PostgreSQL psql COPY FROM STDIN early failure processes data lines as psql commands

Which CVE IDs does CVE-2026-6464 cover?

CVE-2026-6464 covers the following CVE IDs: CVE-2026-6464. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-6464?

CVE-2026-6464 has a CVSS v3 base score of 8.1, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-6464?

CVE-2026-6464 affects 1 product, including: azl3 postgresql 16.14-1 on Azure Linux 3.0.

CVE-2026-6464HighCVSS 8.1

PostgreSQL psql COPY FROM STDIN early failure processes data lines as psql commands

Vendor

Microsoft Security Response Center (MSRC)

Published

August 14, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-6464 →

🎯 Affected products1

azl3 postgresql 16.14-1 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 16.15-1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-6464
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade