CVE-2018-8149
An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft SharePoint Elevation of Privilege Vulnerability." This affects…
Does this matter?
Lower severity and a low EPSS score (2.80%). Track it; it rarely justifies an emergency change on its own.
Description
An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft SharePoint Elevation of Privilege Vulnerability." This affects Microsoft SharePoint Server, Microsoft SharePoint. This CVE ID is unique from CVE-2018-8155, CVE-2018-8156, CVE-2018-8168.
- CVSS 3.0
- 5.4 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 2.80% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- microsoft/sharepoint server
- Source
- secure@microsoft.com
EPSS moved from 4.0% on 21 September 2026 to 2.8% on 27 October 2026.
References
- http://www.securityfocus.com/bid/104036Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040856Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8149Patch, Vendor Advisory
- http://www.securityfocus.com/bid/104036Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040856Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8149Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.