What is CVE-2026-35189?

CVE-2026-35189 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Excessive Memory Allocation in Relative CRLDP Processing

Which CVE IDs does CVE-2026-35189 cover?

CVE-2026-35189 covers the following CVE IDs: CVE-2026-35189. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-35189?

CVE-2026-35189 has a CVSS v3 base score of 5.3, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-35189?

CVE-2026-35189 affects 4 products, including: azl3 edk2 20240524git3e722403cd16-20 on Azure Linux 3.0; azl3 openssl 3.3.7-6 on Azure Linux 3.0; azl3 shim-unsigned-aarch64 16.1-2 on Azure Linux 3.0; azl3 shim-unsigned-x64 16.1-2 on Azure Linux 3.0.

CVE-2026-35189MediumCVSS 5.3

Excessive Memory Allocation in Relative CRLDP Processing

Vendor

Microsoft Security Response Center (MSRC)

Published

October 3, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-35189 →

🎯 Affected products4

azl3 edk2 20240524git3e722403cd16-20 on Azure Linux 3.0
azl3 openssl 3.3.7-6 on Azure Linux 3.0
azl3 shim-unsigned-aarch64 16.1-2 on Azure Linux 3.0
azl3 shim-unsigned-x64 16.1-2 on Azure Linux 3.0

✅ Remediation

KBRelease Notes (Security Update) — fixed build 20240524git3e722403cd16-21 KBRelease Notes (Security Update) — fixed build 3.3.7-7 KBRelease Notes (Security Update)

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35189
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade