CVE-2026-96857
Undergoing Analysis Undergoing Analysis - In Progress

Information Disclosure in Windows Projected File System

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description
Files or directories accessible to external parties in Windows Projected File System allows an authorized attacker to disclose information locally.

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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-2026-96857
EUVD
EUVD-2026-99781

Affected Vendors & Products

Showing 14 associated CPEs
Vendor Product Version / Range
Microsoft Windows 10 Version 1809 10.0.17763.0
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
Microsoft Windows Server 2019 10.0.17763.0
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0
Microsoft Windows Server 2022 10.0.20348.0
Microsoft Windows Server 2025 10.0.26100.0
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-552 The product makes files or directories accessible to unauthorized actors, even though they should not be.

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Executive Summary

This vulnerability involves files or directories in the Windows Projected File System being accessible to external parties. An authorized attacker can exploit this to disclose information locally on the affected system.

Impact Analysis

An attacker could access sensitive files or directories on your system, leading to unauthorized information disclosure. This could include confidential or personal data stored in the Projected File System.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows Projected File System vulnerability. Monitor Microsoft's update guide for specific patches related to CVE-2026-96857.

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