CVE-2018-8587 in the critical feed json
A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka "Microso…
published 2018-12-12 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20203
- cvss
- 7.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 28.8%
- EPSS 28.8% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka "Microsoft Outlook Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook.
Patch / fix
Exploit prediction
28.78% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/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 Microsoft Office
- Microsoft Office
- Microsoft Microsoft Outlook
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8587
patch, vendor-advisory
-
securityfocus.com
/bid/106097
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8587
- NVD CVE-2018-8587
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.