Microsoft · Security update · January 9, 2018

KB4011580: January 2018 security update

KB4011580, released January 9, 2018, fixes 4 CVEs across 5 products. 2 of them are being exploited (CVE-2018-0798); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now2 on CISA KEVKnown ransomware useUnsupported product
CVEs closed
4
None rated Critical
Exploited
2
CVE-2018-0798
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.9512
99th percentile

Priority of the 4 CVEs

Patch now 2 Urgent 0 High 2 Routine 0

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2018-0798 Microsoft Office Remote Code Execution n/a 0.9512 KEVExploited
Patch now CVE-2018-0802 Microsoft Office Remote Code Execution n/a 0.9329 KEVRansomwareExploited
High CVE-2018-0812 Microsoft Office Remote Code Execution n/a 0.2466 Exploitation Unlikely
High CVE-2018-0801 Microsoft Office Remote Code Execution n/a 0.2440 Exploitation Unlikely
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