CVE-2018-8635

8.8 highEPSS 6.1%

High (8.8) in microsoft. EPSS 6.1% chance of exploitation in the next 30 days.

An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted authentication request to an affected SharePoint server, aka "Microsoft SharePoint Server Elevation of Privilege Vulnerability." This affects Microsoft SharePoint Server, Microsoft SharePoint.

Severity

CVSS 3.0

8.8 high

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 6.1% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2018-12-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

microsoft:sharepoint_enterprise_server
microsoft:sharepoint_server

References

http://www.securityfocus.com/bid/106121
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8635
http://www.securityfocus.com/bid/106121
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8635

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