CVE-2026-84003
Microsoft Authentication Library (MSAL) for Node.js Spoofing Vulnerability
- State
- Published
- Severity
- 7.4 High
- Published
- Sep 8, 2026
- Updated
- Oct 31, 2026
- Reserved
- Sep 1, 2026
Description
Authentication bypass by capture-replay in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to perform spoofing over a network.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.4 High | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C | microsoft |
Weaknesses
- CWE-294 Authentication Bypass by Capture-replay
Affected Products
| Product | Versions |
|---|---|
Microsoft Authentication LibraryMicrosoft |
|
References
- Microsoft Authentication Library (MSAL) for Node.js Spoofing Vulnerabilityvendor-advisorypatch
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.