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

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Fixes

Solution

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Workaround

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History

Wed, 16 Sep 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft azure\/msal-node
CPEs cpe:2.3:a:microsoft:azure\/msal-node:*:*:*:*:*:node.js:*:*
Vendors & Products Microsoft azure\/msal-node

Fri, 11 Sep 2026 23:45:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description Authentication bypass by capture-replay in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to perform spoofing over a network.
Title Microsoft Authentication Library (MSAL) for Node.js Spoofing Vulnerability
First Time appeared Microsoft
Microsoft microsoft Authentication Library For Node.js
Weaknesses CWE-294
CPEs cpe:2.3:a:microsoft:microsoft_authentication_library_for_node.js:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft microsoft Authentication Library For Node.js
References
Metrics cvssV3_1

{'score': 7.4, 'vector': '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-09-16T21:59:36.880Z

Reserved: 2026-09-01T01:16:35.985Z

Link: CVE-2026-84003

cve-icon Vulnrichment

Updated: 2026-09-11T20:49:13.580Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-08T18:21:11.363

Modified: 2026-09-16T14:06:28.077

Link: CVE-2026-84003

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-13T20:07:45Z

Weaknesses