CVE-2026-32153
Received Received - Intake
Use-After-Free in Windows Speech Enables Local Privilege Escalation

Publication date: 2026-04-14

Last updated on: 2026-04-20

Assigner: Microsoft Corporation

Description
Use after free in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-04-14
Last Modified
2026-04-20
Generated
2026-06-16
AI Q&A
2026-04-14
EPSS Evaluated
2026-06-15
NVD
CVE-2026-32153
EUVD
EUVD-2026-22538
Affected Vendors & Products
Showing 16 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)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-416 The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
CWE-362 The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a use after free issue in Microsoft Windows Speech. It allows an authorized attacker to elevate their privileges locally on the affected system.

Impact Analysis

The impact of this vulnerability is an elevation of privilege, meaning an attacker who already has some level of access can gain higher privileges on the system. This can lead to full control over the affected system.

Mitigation Strategies

To mitigate this vulnerability, apply the security updates provided by Microsoft for Windows Speech as soon as possible.

Since the vulnerability allows local privilege escalation, ensure that users do not run untrusted code with elevated privileges.

Compliance Impact

The vulnerability allows an authorized attacker to elevate privileges locally, which could potentially lead to unauthorized access or control over sensitive data.

Such unauthorized privilege escalation may impact compliance with standards like GDPR and HIPAA, which require strict controls over access to personal and protected health information.

However, the provided information does not explicitly detail the direct effects on compliance with these regulations.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-32153. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart