CVE-2018-8634

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A remote code execution vulnerability exists in Windows where Microsoft text-to-speech fails to properly handle objects in the memory, aka "Microsoft Text-To-Speech Remote Code Execution Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.

Metrics

CVSS 3.0 8.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
MicrosoftWindows Server 2016(Server Core installation)
MicrosoftWindows 1032-bit Systems; Version 1607 for 32-bit Systems; Version 1607 for x64-based Systems; Version 1703 for 32-bit Systems; Version 1703 for x64-based Systems; Version 1709 for 32-bit Systems; Version 1709 for ARM64-based Systems; Version 1709 for x64-based Systems; Version 1803 for 32-bit Systems; Version 1803 for ARM64-based Systems; Version 1803 for x64-based Systems; Version 1809 for 32-bit Systems; Version 1809 for ARM64-based Systems; Version 1809 for x64-based Systems; x64-based Systems
MicrosoftWindows Server 2019(Server Core installation)
MicrosoftWindows 10 Serversversion 1709 (Server Core Installation); version 1803 (Server Core Installation)

References

Timeline

Published
Dec 12, 2018
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2018

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CVE-2018-8634: High severity, CVSS 8.8 | Vulnix