Description
Authentication bypass by capture-replay in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to perform spoofing over a network.
Published: 2026-09-08
Score: 7.4 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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'}

Subscriptions

Microsoft Microsoft Authentication Library For Node.js
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-09-08T17:19:32.079Z

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

Link: CVE-2026-84003

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses