CVE-2018-8635: microsoft microsoft sharepoint Improper Input Validation
Vulnerability summary
CVE-2018-8635 is a high (CVSS 8.8) Improper Input Validation vulnerability in microsoft microsoft sharepoint. EPSS estimates a 6.13% chance of exploitation in the next 30 days, higher than 93.3% of scored vulnerabilities.
Timeline
- 12-12-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
6.13%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 6.13% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft4 products
- microsoft sharepointEnterprise Server 2013 Service Pack 1 | Enterprise Server 2016
- microsoft sharepoint server2010 Service Pack 2
- sharepoint_enterprise_server2013:sp1 | 2016
- sharepoint_server2010:sp2
1 vendor · 4 products
References
2 links
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8635X Refsource CONFIRMPatchVendor Advisory