CVE-2018-8635

high-risk
Published 2018-12-12

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.

Do I need to act?

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19.7% chance of exploitation in next 30 days
EPSS score — higher than 80% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Microsoft

References (4)

Third Party Advisory http://www.securityfocus.com/bid/106121
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8635
Third Party Advisory http://www.securityfocus.com/bid/106121
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8635
53
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 14/34 · Moderate
Exposure 9/34 · Low