CVE-2018-8502 in the critical feed json
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in Protected Vi…
published 2018-10-10 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20131
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 20.5%
- EPSS 20.5% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in Protected View, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Excel.
Patch / fix
Exploit prediction
20.46% 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 Excel
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8502
patch, vendor-advisory
-
securitytracker.com
/id/1041839
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/105498
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8502
- NVD CVE-2018-8502
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.