CVE-2026-84003

7.4 highEPSS 0.6%

High (7.4) in microsoft azure\/msal-node. EPSS 0.6% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

7.4 high

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE: CWE-294
Published: 2026-09-08
Modified: 2026-09-16
Record from: the NVD, synced 2026-10-19

Affected

microsoft:azure\/msal-node

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84003

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