CVE-2019-1257 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 2019-09-11 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9823
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 11.8%
- EPSS 11.8% 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 CVE ID is unique from CVE-2019-1295, CVE-2019-1296.
Patch / fix
Exploit prediction
11.75% 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 | 3.1 | 8.8 | CVSS:3.1/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 Foundation
- Microsoft Microsoft SharePoint Enterprise Server
- Microsoft Microsoft SharePoint Server
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2019-1257
patch, vendor-advisory
Sources
- CVE List CVE-2019-1257
- NVD CVE-2019-1257
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.