Is Use After Free affected by CVE-2026-32089?

CVE-2026-32089 is a local privilege escalation vulnerability in Windows Speech Brokered API affecting Windows 10, 11, and Server 2016+ that allows authenticated users with low privileges to gain SYSTEM-level access without user interaction.

CVE-2026-32089

EUVD-2026-22526 HIGH

2026-04-14 microsoft

GHSA-2h57-5ppx-7x34

Denial Of Service Use After Free Memory Corruption Microsoft Windows 10 Version 1607 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 2016 Windows Server 2016 Server Core Installation 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

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 - 19:18 vuln.today

DescriptionNVD

Use after free in Windows Speech Brokered Api allows an authorized attacker to elevate privileges locally.

AnalysisAI

Local privilege escalation in Windows Speech Brokered API affects all Windows 10, 11, and Server versions from 2016 onward via a use-after-free memory corruption flaw. Authenticated local attackers with low privileges can exploit this to gain SYSTEM-level access with low attack complexity and no user interaction required (CVSS 7.8). …

RemediationAI

Within 24 hours: inventory all Windows 10, 11, and Server 2016+ systems in your environment and prioritize patch deployment. Within 7 days: deploy Microsoft's May 2026 security updates containing the fix to all affected systems, starting with high-value assets and domain controllers. …

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-2026-32089 vulnerability details – vuln.today

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CVE-2026-32089

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

Full analysis requires sign-in

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External POC / Exploit Code