Is Windows 10 Version 1809 affected by CVE-2026-32074?

CVE-2026-32074 is a local privilege escalation vulnerability in Windows Projected File System affecting all supported Windows 10, 11, and Server editions, allowing authenticated users to gain SYSTEM-level access without user interaction.

CVE-2026-32074

EUVD-2026-22501 HIGH

2026-04-14 microsoft

Information Disclosure Microsoft Windows 10 Version 1809 Windows 10 Version 21H2 Windows 10 Version 22H2 Windows 11 Version 22H3 Windows 11 Version 23H2 Windows 11 Version 24H2 Windows 11 Version 25H2 Windows 11 Version 26H1 Windows Server 2019 Windows Server 2019 Server Core Installation Windows Server 2022 Windows Server 2022 23H2 Edition Server Core Installation Windows Server 2025 Windows Server 2025 Server Core Installation

7.8

CVSS 3.1

Temporal: 6.8

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Apr 14, 2026 - 19:31 vuln.today

DescriptionNVD

Double free in Windows Projected File System allows an authorized attacker to elevate privileges locally.

AnalysisAI

Local privilege escalation via double free vulnerability in Windows Projected File System (ProjFS) enables low-privileged authenticated users to achieve SYSTEM-level access across Windows 10, Windows 11, and Windows Server environments. The CWE-415 memory corruption flaw requires low attack complexity and no user interaction, affecting all actively supported Windows versions from legacy 1809 builds through current 26H1 releases. …

RemediationAI

Within 24 hours: Inventory all Windows 10, 11, and Server systems in your environment and identify current build versions using 'winver' or WSUS reporting. Within 7 days: Deploy vendor-released patches to all affected systems through your change management process; prioritize servers and high-value endpoints first. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-32074 vulnerability details – vuln.today

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CVE-2026-32074

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

Full analysis requires sign-in

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External POC / Exploit Code