What is CVE-2026-107778?

CVE-2026-107778 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. MIT krb5 through 1.22.2 NULL Pointer Dereference via krb5_rd_cred()

Which CVE IDs does CVE-2026-107778 cover?

CVE-2026-107778 covers the following CVE IDs: CVE-2026-107778. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-107778?

CVE-2026-107778 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-107778?

CVE-2026-107778 affects 2 products, including: azl3 krb5 1.21.3-5 on Azure Linux 3.0; azl3 krb5 1.21.3-6 on Azure Linux 3.0.

CVE-2026-107778MediumCVSS 6.5

MIT krb5 through 1.22.2 NULL Pointer Dereference via krb5_rd_cred()

Vendor

Microsoft Security Response Center (MSRC)

Published

October 10, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-107778 →

🎯 Affected products2

azl3 krb5 1.21.3-5 on Azure Linux 3.0
azl3 krb5 1.21.3-6 on Azure Linux 3.0

✅ Remediation

KBRelease Notes (Security Update) — fixed build 1.21.3-6

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-107778
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade