Microsoft · Security update · October 10, 2017

KB4011217: October 2017 security update

KB4011217, released October 10, 2017, fixes 4 CVEs in Microsoft SharePoint Enterprise Server 2016. One of them is being exploited (CVE-2017-11826); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEV2 publicly disclosedUnsupported product
CVEs closed
4
None rated Critical
Exploited
1
CVE-2017-11826
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.8133
99th percentile

Priority of the 4 CVEs

Patch now 1 Urgent 0 High 3 Routine 0

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2017-11826 Microsoft Office Remote Code Execution n/a 0.8133 KEVDisclosedExploited
High CVE-2017-11775 Microsoft Office Elevation of Privilege n/a 0.0227 Exploitation Less Likely
High CVE-2017-11777 Microsoft Office Elevation of Privilege n/a 0.0227 DisclosedExploitation Less Likely
High CVE-2017-11820 Microsoft Office Elevation of Privilege n/a 0.0227 Exploitation Less Likely
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