Microsoft · Security update · May 9, 2017

KB4018556: May 2017 security update

KB4018556, released May 9, 2017, fixes 4 CVEs across 5 products. One of them is being exploited (CVE-2017-0213); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVKnown ransomware useUnsupported product
CVEs closed
4
None rated Critical
Exploited
1
CVE-2017-0213
Exploitation more likely
1
Vendor assessment
Highest EPSS
0.8426
99th percentile

Priority of the 4 CVEs

Patch now 1 Urgent 1 High 1 Routine 1

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2017-0213 Windows COM Elevation of Privilege 6.7 0.8426 KEVRansomwareExploited
Urgent CVE-2017-0214 Windows COM Elevation of Privilege 6.7 0.0346 More likely
High CVE-2017-0244 Microsoft Graphics Component Elevation of Privilege 7.0 0.0200 N/A
Routine CVE-2017-0258 Windows Kernel Information Disclosure 4.7 0.0736 Exploitation Less Likely
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