CVE-2026-108469
Microsoft Authentication Library for JavaScript Spoofing Vulnerability
CVSS Score
6.8
EPSS Score
0.0%
EPSS Percentile
0th
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Authentication Library for JavaScript allows an unauthorized attacker to perform spoofing over a network.
| Vendor | microsoft |
| Product | microsoft authentication library for javascript |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Nov 10, 2026 |
| Last Updated | Nov 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Microsoft Authentication Library for JavaScript
1.0.0 < 5.21.0