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CVE-2018-8634
A remote code execution vulnerability exists in Windows where Microsoft text-to-speech fails to properly handle objects in the memory, aka…
High8.8EPSS 15.4%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 15.4% · top 3.2% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
- Remote Code Execution
Affected products
Microsoft · Windows Server 2016
- affected (Server Core installation)
- affected 32-bit Systems
- affected Version 1607 for 32-bit Systems
- affected Version 1607 for x64-based Systems
- affected Version 1703 for 32-bit Systems
- affected Version 1703 for x64-based Systems
- affected Version 1709 for 32-bit Systems
- affected Version 1709 for ARM64-based Systems
- affected Version 1709 for x64-based Systems
- affected Version 1803 for 32-bit Systems
- affected Version 1803 for ARM64-based Systems
- affected Version 1803 for x64-based Systems
- affected Version 1809 for 32-bit Systems
- affected Version 1809 for ARM64-based Systems
- affected Version 1809 for x64-based Systems
- affected x64-based Systems
Microsoft · Windows Server 2019
- affected (Server Core installation)
Microsoft · Windows 10 Servers
- affected version 1709 (Server Core Installation)
- affected version 1803 (Server Core Installation)
References (2)
- 106078 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8634 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-8634)Record last updated .