Is Use After Free affected by CVE-2026-32078?

CVE-2026-32078 is a high-severity privilege escalation vulnerability in Windows Projected File System affecting Windows 10, 11, and Server 2019-2025 that allows any authenticated local user to gain SYSTEM-level control without user interaction.

CVE-2026-32078

EUVD-2026-22509 HIGH

2026-04-14 microsoft

Denial Of Service Use After Free Memory Corruption 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 - 19:32 vuln.today

DescriptionNVD

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

AnalysisAI

Local privilege escalation in Windows Projected File System (ProjFS) across Windows 10, Windows 11, and Windows Server 2019-2025 allows authenticated low-privileged users to gain SYSTEM-level control via use-after-free memory corruption. Attack requires local access and low-privileged credentials (CVSS PR:L) but no user interaction, enabling complete compromise of confidentiality, integrity, and availability. …

RemediationAI

Within 24 hours: Inventory all Windows 10, 11, and Server 2019-2025 systems and identify patch versions from Microsoft security advisory for CVE-2026-32078. Within 7 days: Deploy vendor-released patches to all affected endpoints prioritizing servers and systems with remote access or service accounts. …

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-2026-32078 vulnerability details – vuln.today

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CVE-2026-32078

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

Full analysis requires sign-in

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External POC / Exploit Code