CVE-2018-8582 in the critical feed json
A remote code execution vulnerability exists in the way that Microsoft Outlook parses specially modified rule export files, aka "Microsoft…
published 2018-11-14 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20199
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 18.6%
- EPSS 18.6% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
A remote code execution vulnerability exists in the way that Microsoft Outlook parses specially modified rule export files, aka "Microsoft Outlook Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8522, CVE-2018-8524, CVE-2018-8576.
Patch / fix
Exploit prediction
18.59% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
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 Microsoft Office
- Microsoft Office
- Microsoft Microsoft Outlook
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8582
patch, vendor-advisory
-
securitytracker.com
/id/1042110
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/105825
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8582
- NVD CVE-2018-8582
Fencer Vulns 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.