What is CVE-2026-5107?

CVE-2026-5107 is a security advisory published by Microsoft Security Response Center (MSRC) with Low severity. FRRouting FRR EVPN Type-2 Route bgp_evpn.c process_type2_route access control

Which CVE IDs does CVE-2026-5107 cover?

CVE-2026-5107 covers the following CVE IDs: CVE-2026-5107. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-5107?

CVE-2026-5107 has a CVSS v3 base score of 4.2, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-5107?

CVE-2026-5107 affects 5 products, including: azl3 frr 10.5.0-1 on Azure Linux 3.0; azl3 frr 10.5.0-2 on Azure Linux 3.0; azl3 frr 10.5.0-3 on Azure Linux 3.0; cbl2 frr 8.5.5-5 on CBL Mariner 2.0; cbl2 frr 8.5.5-5 on CBL-Mariner 2.0.

CVE-2026-5107LowCVSS 4.2

FRRouting FRR EVPN Type-2 Route bgp_evpn.c process_type2_route access control

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-5107 →

🎯 Affected products5

azl3 frr 10.5.0-1 on Azure Linux 3.0
azl3 frr 10.5.0-2 on Azure Linux 3.0
azl3 frr 10.5.0-3 on Azure Linux 3.0
cbl2 frr 8.5.5-5 on CBL Mariner 2.0
cbl2 frr 8.5.5-5 on CBL-Mariner 2.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 10.5.0-2 KBCBL-Mariner Releases (Security Update) — fixed build 8.5.5-6 KBRelease Notes (Security Update) — fixed build 8.5.5-6

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-5107
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade