CVE-2018-1014

Microsoft SharePoint Elevation of Privilege Vulnerability

CVE-2018-1014 is fixed in 2 products on 1 platform, first by KB4018342, released April 10, 2018. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
n/a
Important
Exploitation
None reported
Exploitation Unlikely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0223
82nd percentile

<p>An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by sending a specially crafted URL to a user of an affected SharePoint server.</p> <p>An attacker who successfully exploited the vulnerability could redirect users who are trying to access Silverlight content on an affected SharePoint server to malicious content if the targeted user does not already have Silverlight installed. This vulnerability requires that the user does not have Silverlight installed, clicks the specially crafted URL from the attacker, and clicks the link provided on SharePoint page to download Silverlight.</p> <p>The security update addresses the vulnerability by helping to ensure that SharePoint Server properly sanitizes web requests.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft SharePoint Enterprise Server 2013 Service Pack 1 KB4018342 Apr 10, 2018
Microsoft SharePoint Enterprise Server 2016 KB4018336 Apr 10, 2018

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