CVE-2018-8634 in the critical feed json
A remote code execution vulnerability exists in Windows where Microsoft text-to-speech fails to properly handle objects in the memory, aka…
published 2018-12-12 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20245
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 15.4%
- EPSS 15.4% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
15.35% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Windows Server 2016
- Microsoft Windows 10
- Microsoft Windows Server 2019
- Microsoft Windows 10 Servers
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8634
patch, vendor-advisory
-
securityfocus.com
/bid/106078
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8634
- NVD CVE-2018-8634
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.