What is CVE-2026-85769?

CVE-2026-85769 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Libtpms: libtpms: heap out-of-bounds read in tpm2 state unmarshalling via unchecked block_skip_read() blocksize

Which CVE IDs does CVE-2026-85769 cover?

CVE-2026-85769 covers the following CVE IDs: CVE-2026-85769. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-85769?

CVE-2026-85769 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-85769?

CVE-2026-85769 affects 2 products, including: azl3 libtpms 0.9.6-8 on Azure Linux 3.0; azl3 libtpms 0.9.6-9 on Azure Linux 3.0.

CVE-2026-85769MediumCVSS 6.5

Libtpms: libtpms: heap out-of-bounds read in tpm2 state unmarshalling via unchecked block_skip_read() blocksize

Vendor

Microsoft Security Response Center (MSRC)

Published

September 11, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-85769 →

🎯 Affected products2

azl3 libtpms 0.9.6-8 on Azure Linux 3.0
azl3 libtpms 0.9.6-9 on Azure Linux 3.0

✅ Remediation

Security Update — fixed build 0.9.6-9 KBRelease Notes (Security Update) — fixed build 0.9.6-9

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85769
patchhttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade