Microsoft · Security update · February 9, 2021
KB4601354: February 2021 cumulative update for Windows 10 1803
KB4601354, released February 9, 2021, fixes 24 CVEs across 6 products. One of them is being exploited (CVE-2021-1732); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.
Patch now1 on CISA KEVKnown ransomware use3 publicly disclosedUnsupported product
CVEs closed
24
6 rated Critical
Exploited
1
CVE-2021-1732
Exploitation more likely
5
Microsoft's assessment
Highest EPSS
0.7838
99th percentile
Priority of the 24 CVEs
Patch now 1
Urgent 9
High 7
Routine 7
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2021-1732 | Windows Kernel | Elevation of Privilege | 7.8 | 0.7838 | 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-2021-24077 | 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 |
| Urgent | CVE-2021-1698 | Windows Kernel | Elevation of Privilege | 7.8 | 0.0066 | More likely |
| High | CVE-2021-1692 | Windows Hyper-V | Denial of Service | 7.7 | 0.0424 | Exploitation Less 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-2021-24103 | 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-2021-24098 | Windows Console Driver | Denial of Service | 5.5 | 0.0152 | DisclosedExploitation 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 |
| Routine | CVE-2021-24106 | Windows DirectX | Information Disclosure | 5.5 | 0.0095 | DisclosedExploitation Less Likely |
| Routine | CVE-2021-1731 | Windows PFX Encryption | Security Feature Bypass | 5.5 | 0.0088 | Exploitation Less Likely |
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