CVE-2026-84003HighCVSS 7.4

Microsoft Authentication Library (MSAL) for Node.js Spoofing Vulnerability

Published
September 11, 2026
Last Modified

🔗 CVE IDs covered (1)

📋 Description

Authentication bypass by capture-replay in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to perform spoofing over a network.

🎯 Affected products1

  • Microsoft Authentication Library (MSAL) for Node.js

✅ Remediation

KBRelease Notes (Security Update) — fixed build 5.6.0

🔗 References (3)