Microsoft · Security update · February 9, 2021

KB4601348: February 2021 security update

KB4601348, released February 9, 2021, fixes 17 CVEs across 2 products. One of them is being exploited (CVE-2020-1472); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEVKnown ransomware use1 publicly disclosed
CVEs closed
17
7 rated Critical
Exploited
1
CVE-2020-1472
Exploitation more likely
5
Vendor assessment
Highest EPSS
0.9939
99th percentile

Priority of the 17 CVEs

Patch now 1 Urgent 8 High 5 Routine 3

Applies to

Product
Windows Server 2012
Windows Server 2012 (Server Core installation)

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Patch now CVE-2020-1472 Windows Netlogon Elevation of Privilege 10.0 0.9939 KEVRansomwareExploited
Urgent CVE-2021-24086 Windows TCP/IP Denial of Service 7.5 0.5896 More likely
Urgent CVE-2021-24074 Windows TCP/IP Remote Code Execution 9.8 0.2616 More likely
Urgent CVE-2021-24094 Windows TCP/IP Remote Code Execution 9.8 0.2214 More likely
Urgent CVE-2021-24078 Role: DNS Server Remote Code Execution 9.8 0.1189 More likely
Urgent CVE-2021-24077 Role: Windows Fax Service Remote Code Execution 9.8 0.0287 Exploitation Less Likely
Urgent CVE-2021-1722 Role: Windows Fax Service Remote Code Execution 8.1 0.0244 Exploitation Less Likely
Urgent CVE-2021-24088 Windows Print Spooler Components Remote Code Execution 8.8 0.0243 Exploitation Less Likely
Urgent CVE-2021-1727 Windows Installer Elevation of Privilege 7.8 0.0076 DisclosedMore likely
High CVE-2021-1734 Windows Remote Procedure Call Information Disclosure 7.5 0.0381 Exploitation Less Likely
High CVE-2021-24083 Windows Address Book Remote Code Execution 7.8 0.0287 Exploitation Less Likely
High CVE-2021-24103 Windows Event Tracing Elevation of Privilege 7.8 0.0063 Exploitation Less Likely
High CVE-2021-25195 Windows PKU2U Elevation of Privilege 7.8 0.0063 Exploitation Less Likely
High CVE-2021-24102 Windows Event Tracing Elevation of Privilege 7.8 0.0055 Exploitation Less Likely
Routine CVE-2021-24080 Windows Trust Verification API Denial of Service 6.5 0.0305 Exploitation Less Likely
Routine CVE-2021-24076 Role: Windows Hyper-V Information Disclosure 5.5 0.0095 Exploitation Less Likely
Routine CVE-2021-24079 Windows Backup Engine Information Disclosure 5.5 0.0095 Exploitation Less Likely
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