CVE-2025-27809MediumMicrosoft CVSS 5.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

Microsoft advisory for CVE-2025-27809

Published
July 11, 2026
Last Modified
—

🔗 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-2025-27809. This page also shows what EchelonGraph holds for CVE-2025-27809, 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 products3

  • azl3 qemu 8.2.0-16 on Azure Linux 3.0
  • cbl2 qemu 6.2.0-24 on CBL Mariner 2.0
  • cbl2 qemu 6.2.0-24 on CBL-Mariner 2.0

🧭 EchelonGraph on CVE-2025-27809

EchelonGraph score
5.4 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

Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbedtls_ssl_set_hostname.

Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2025-27809, 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)