What is CVE-2024-26800?

CVE-2024-26800 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. tls: fix use-after-free on failed backlog decryption

Which CVE IDs does CVE-2024-26800 cover?

CVE-2024-26800 covers the following CVE IDs: CVE-2024-26800. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2024-26800?

CVE-2024-26800 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2024-26800?

CVE-2024-26800 affects 5 products, including: cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0; cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0; cbl2 kernel 5.15.202.1-1; cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0; cbl2 kernel 5.15.202.1-1 on CBL-Mariner 2.0.

CVE-2024-26800HighCVSS 7.8

tls: fix use-after-free on failed backlog decryption

Vendor

Microsoft Security Response Center (MSRC)

Published

December 12, 2025

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2024-26800 →

🎯 Affected products5

cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.202.1-1
cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.202.1-1 on CBL-Mariner 2.0

✅ Remediation

KBRelease Notes (Security Update)

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26800
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade