CVE-2026-32074
Received Received - Intake
Double Free in Windows Projected File System Enables Local Privilege Escalation

Publication date: 2026-04-14

Last updated on: 2026-04-22

Assigner: Microsoft Corporation

Description
Double free in Windows Projected File System allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2026-04-14
Last Modified
2026-04-22
Generated
2026-06-16
AI Q&A
2026-04-14
EPSS Evaluated
2026-06-15
NVD
CVE-2026-32074
EUVD
EUVD-2026-22501
Affected Vendors & Products
Showing 20 associated CPEs
Vendor Product Version / Range
microsoft windows_10_1809 to 10.0.17763.8644 (exc)
microsoft windows_10_1809 to 10.0.17763.8644 (exc)
microsoft windows_10_21h2 to 10.0.19044.7184 (exc)
microsoft windows_10_21h2 to 10.0.19044.7184 (exc)
microsoft windows_10_21h2 to 10.0.19044.7184 (exc)
microsoft windows_10_22h2 to 10.0.19045.7184 (exc)
microsoft windows_10_22h2 to 10.0.19045.7184 (exc)
microsoft windows_10_22h2 to 10.0.19045.7184 (exc)
microsoft windows_11_23h2 to 10.0.22631.6936 (exc)
microsoft windows_11_23h2 to 10.0.22631.6936 (exc)
microsoft windows_11_24h2 to 10.0.26100.8246 (exc)
microsoft windows_11_24h2 to 10.0.26100.8246 (exc)
microsoft windows_11_25h2 to 10.0.26200.8246 (exc)
microsoft windows_11_25h2 to 10.0.26200.8246 (exc)
microsoft windows_11_26h1 to 10.0.28000.1836 (exc)
microsoft windows_11_26h1 to 10.0.28000.1836 (exc)
microsoft windows_server_2019 to 10.0.17763.8644 (exc)
microsoft windows_server_2022 to 10.0.20348.5020 (exc)
microsoft windows_server_2022_23h2 to 10.0.25398.2274 (exc)
microsoft windows_server_2025 to 10.0.26100.32690 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-415 The product calls free() twice on the same memory address.
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Compliance Impact

This vulnerability allows an authorized attacker to elevate privileges locally by exploiting a double free in the Windows Projected File System.

Elevation of privilege vulnerabilities can potentially lead to unauthorized access or modification of sensitive data, which may impact compliance with standards and regulations such as GDPR and HIPAA that require protection of personal and health information.

However, the provided information does not explicitly describe the direct effects of this vulnerability on compliance with these standards.

Executive Summary

This vulnerability is a double free issue in the Windows Projected File System. It allows an authorized attacker to perform a local privilege escalation.

Impact Analysis

An attacker who already has some level of access to the system can exploit this vulnerability to elevate their privileges. This means they could gain higher-level permissions, potentially allowing them to execute unauthorized actions, access sensitive data, or compromise system integrity.

Mitigation Strategies

To mitigate this vulnerability, apply the security updates provided by Microsoft as soon as possible to fix the double free issue in the Windows Projected File System.

Since this vulnerability allows local privilege escalation, ensure that only trusted users have local access to affected systems until the patch is applied.

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