Dashboard / CVE-2026-84003

CVE-2026-84003

HIGH
MEDIUM Priority: 0.04 BB Relevance: 65/100
Published: 2026-09-08 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

Network No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: Unchanged
C: High
I: High
A: None

Description

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

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
Microsoft Microsoft Authentication Library 1.0.0 < 5.6.0

References & Advisories (1)

Bug Bounty Relevance

65 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

7.4 / 10.0 v3.1
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

EPSS — Exploitation Probability

0.60%
Raw Score 0.005990
Percentile 48.6%
Date 2026-10-30

Intelligence Sources

mitre ref →

External Links