What is CVE-2026-62869?

CVE-2026-62869 is a high-severity vulnerability in Microsoft Entra, classified under Insufficient Verification of Data Authenticity. CVSS score: 8.8/10. Published 2026-08-11.

How severe is CVE-2026-62869?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Microsoft Entra

CVE-2026-62869

Insufficient verification of data authenticity in Azure Entra ID allows an authorized attacker to perform spoofing over a network.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Entra

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

secure@microsoft.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-62869?: CVE-2026-62869 is a high-severity vulnerability in Microsoft Entra, classified under Insufficient Verification of Data Authenticity. CVSS score: 8.8/10. Published 2026-08-11.
How severe is CVE-2026-62869?: High severity. CVSS v3 base score is 8.8 out of 10.