Microsoft · Security update · February 9, 2021
KB4601318: February 2021 cumulative update for Windows 10 1607
KB4601318, released February 9, 2021, fixes 23 CVEs across 8 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
23
10 rated Critical
Exploited
1
CVE-2020-1472
Exploitation more likely
5
Microsoft's assessment
Highest EPSS
0.9939
99th percentile
Priority of the 23 CVEs
Patch now 1
Urgent 11
High 7
Routine 4
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| 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-2021-24093 | Microsoft Graphics Component | Remote Code Execution | 8.8 | 0.4590 | Exploitation Less 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-2021-24091 | Microsoft Windows Codecs Library | Remote Code Execution | 7.8 | 0.0338 | Exploitation Less Likely |
| Urgent | CVE-2021-24077 | Role: Windows Fax Service | Remote Code Execution | 9.8 | 0.0287 | Exploitation Less Likely |
| Urgent | CVE-2021-24081 | Microsoft Windows Codecs Library | Remote Code Execution | 7.8 | 0.0251 | 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-2021-24111 | .NET Framework | Denial of Service | 7.5 | 0.0384 | Exploitation Less 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-2021-24096 | Windows Kernel | Elevation of Privilege | 7.8 | 0.0146 | 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-2021-24082 | Windows PowerShell | Security Feature Bypass | 4.3 | 0.0263 | 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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