What is CVE-2026-43617?

CVE-2026-43617 is a security advisory published by Microsoft Security Response Center (MSRC). Rsync \u003c 3.4.3 Authorization Bypass via Hostname Resolution

Which CVE IDs does CVE-2026-43617 cover?

CVE-2026-43617 covers the following CVE IDs: CVE-2026-43617. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-43617?

CVE-2026-43617 has a CVSS v3 base score of 4.8, published by Microsoft Security Response Center (MSRC).

CVE-2026-43617CVSS 4.8

Rsync < 3.4.3 Authorization Bypass via Hostname Resolution

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-43617 →