CVE-2019-1295

Microsoft SharePoint Remote Code Execution Vulnerability

CVE-2019-1295 is fixed in 4 products on 1 platform, first by KB4475590, released September 10, 2019. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent
CVSS
n/a
Critical
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0833
94th percentile

<p>A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.</p> <p>Exploitation of this vulnerability requires that a user access a susceptible API on an affected version of SharePoint with specially-formatted input.</p> <p>The security update addresses the vulnerability by correcting how SharePoint handles deserialization of untrusted data.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft SharePoint Enterprise Server 2016 KB4475590 Sep 10, 2019
Microsoft SharePoint Foundation 2010 Service Pack 2 KB4475605 Sep 10, 2019
Microsoft SharePoint Foundation 2013 Service Pack 1 KB4484098 Sep 10, 2019
Microsoft SharePoint Server 2019 KB4475596 Sep 10, 2019

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