What is CVE-2026-75900?

CVE-2026-75900 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Swtpm: swtpm: out-of-bounds read in swtpm_nvram_checkheader due to sizeof(pointer) vs sizeof(struct) mismatch

Which CVE IDs does CVE-2026-75900 cover?

CVE-2026-75900 covers the following CVE IDs: CVE-2026-75900. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-75900?

CVE-2026-75900 has a CVSS v3 base score of 6.1, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-75900?

CVE-2026-75900 affects 2 products, including: azl3 swtpm 0.8.1-5 on Azure Linux 3.0; azl3 swtpm 0.8.1-6 on Azure Linux 3.0.

CVE-2026-75900MediumCVSS 6.1

Swtpm: swtpm: out-of-bounds read in swtpm_nvram_checkheader due to sizeof(pointer) vs sizeof(struct) mismatch

Vendor

Microsoft Security Response Center (MSRC)

Published

August 21, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-75900 →

🎯 Affected products2

azl3 swtpm 0.8.1-5 on Azure Linux 3.0
azl3 swtpm 0.8.1-6 on Azure Linux 3.0

✅ Remediation

Security Update — fixed build 0.8.1-6

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-75900
patchhttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade