Microsoft · Security update · November 9, 2021
KB5007189: November 2021 cumulative update for Windows 10 1909
KB5007189, released November 9, 2021, fixes 23 CVEs across 6 products. One of them is being exploited (CVE-2021-41379); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.
Patch now1 on CISA KEVKnown ransomware use2 publicly disclosedUnsupported product
CVEs closed
23
3 rated Critical
Exploited
1
CVE-2021-41379
Exploitation more likely
2
Microsoft's assessment
Highest EPSS
0.1945
97th percentile
Priority of the 23 CVEs
Patch now 1
Urgent 4
High 11
Routine 7
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2021-41379 | Windows Installer | Elevation of Privilege | 5.5 | 0.1945 | KEVRansomwareExploited |
| Urgent | CVE-2021-38666 | Windows RDP | Remote Code Execution | 8.8 | 0.1518 | More likely |
| Urgent | CVE-2021-41356 | Microsoft Windows | Denial of Service | 7.5 | 0.0302 | More likely |
| Urgent | CVE-2021-42279 | Windows Scripting | Remote Code Execution | 4.2 | 0.0232 | Exploitation Less Likely |
| Urgent | CVE-2021-26443 | Windows Virtual Machine Bus | Remote Code Execution | 9.0 | 0.0170 | Exploitation Less Likely |
| High | CVE-2021-38665 | Windows RDP | Information Disclosure | 7.4 | 0.0702 | Exploitation Less Likely |
| High | CVE-2021-42276 | Microsoft Windows Codecs Library | Remote Code Execution | 7.8 | 0.0249 | Exploitation Less Likely |
| High | CVE-2021-42275 | Windows COM | Remote Code Execution | 8.8 | 0.0210 | Exploitation Less Likely |
| High | CVE-2021-41378 | Windows NTFS | Remote Code Execution | 7.8 | 0.0157 | Exploitation Less Likely |
| High | CVE-2021-42285 | Windows Kernel | Elevation of Privilege | 7.8 | 0.0055 | Exploitation Less Likely |
| High | CVE-2021-42283 | Windows NTFS | Elevation of Privilege | 8.8 | 0.0049 | Exploitation Less Likely |
| High | CVE-2021-36957 | Windows Desktop Bridge | Elevation of Privilege | 7.8 | 0.0049 | Exploitation Less Likely |
| High | CVE-2021-41366 | Windows Cred SSProvider Protocol | Elevation of Privilege | 7.8 | 0.0049 | Exploitation Less Likely |
| High | CVE-2021-41367 | Windows NTFS | Elevation of Privilege | 7.8 | 0.0049 | Exploitation Less Likely |
| High | CVE-2021-41370 | Windows NTFS | Elevation of Privilege | 7.8 | 0.0049 | Exploitation Less Likely |
| High | CVE-2021-41377 | Windows Fast FAT Driver | Elevation of Privilege | 7.8 | 0.0049 | Exploitation Less Likely |
| Routine | CVE-2021-41351 | Microsoft Edge (Chromium-based) in IE Mode | Spoofing | 4.3 | 0.0391 | Exploitation Less Likely |
| Routine | CVE-2021-42284 | Role: Windows Hyper-V | Denial of Service | 6.8 | 0.0376 | Exploitation Less Likely |
| Routine | CVE-2021-38631 | Windows RDP | Information Disclosure | 4.4 | 0.0188 | DisclosedExploitation Less Likely |
| Routine | CVE-2021-41371 | Windows RDP | Information Disclosure | 4.4 | 0.0165 | DisclosedExploitation Less Likely |
| Routine | CVE-2021-42280 | Windows Feedback Hub | Elevation of Privilege | 5.5 | 0.0096 | Exploitation Less Likely |
| Routine | CVE-2021-42277 | Windows Diagnostic Hub | Elevation of Privilege | 5.5 | 0.0087 | Exploitation Less Likely |
| Routine | CVE-2021-42288 | Windows Hello | Security Feature Bypass | 5.7 | 0.0071 | Exploitation Less Likely |
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