CVE-2026-83907
Awaiting Analysis Awaiting Analysis - Queue

Exposure of Sensitive Information in Windows Hello

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description
Exposure of sensitive system information to an unauthorized control sphere in Windows Hello allows an authorized attacker to disclose information locally.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-13
Last Modified
2026-10-16
Generated
2026-10-19
AI Q&A
2026-10-14
EPSS Evaluated
2026-10-18
NVD
CVE-2026-83907
EUVD
EUVD-2026-100044

Affected Vendors & Products

Showing 8 associated CPEs
Vendor Product Version / Range
Microsoft Windows 10 Version 21H2 10.0.19044.0
Microsoft Windows 10 Version 22H2 10.0.19045.0
Microsoft Windows 11 version 23H2 10.0.22631.0
Microsoft Windows 11 Version 23H2 10.0.22631.0
Microsoft Windows 11 Version 24H2 10.0.26100.0
Microsoft Windows 11 Version 25H2 10.0.26200.0
Microsoft Windows 11 version 26H1 10.0.28000.0
Microsoft Windows 11 Version 26H2 10.0.26300.0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-497 The product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the product does.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability involves Windows Hello exposing sensitive system information to unauthorized access. An authorized attacker could locally disclose this information due to improper handling of data.

Impact Analysis

An attacker with local access could exploit this to view sensitive system details, potentially leading to further attacks like privilege escalation or data theft.

Compliance Impact

This vulnerability could potentially lead to unauthorized disclosure of sensitive system information, which may impact compliance with data protection regulations like GDPR and HIPAA by exposing personal or health-related data.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch Windows Hello. Monitor Microsoft's update guide for specific patches related to CVE-2026-83907.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-83907. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart