CVE-2018-8300 in the critical feed json
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application p…
published 2018-07-11 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19953
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 14.0%
- EPSS 14.0% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka "Microsoft SharePoint Remote Code Execution Vulnerability." This affects Microsoft SharePoint.
Patch / fix
Exploit prediction
13.96% chance of exploitation in the next 30 days, higher than 96% 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:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Microsoft Microsoft SharePoint
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8300
patch, vendor-advisory
-
securityfocus.com
/bid/104614
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1041261
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8300
- NVD CVE-2018-8300
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.