Microsoft · Security update · December 14, 2021
KB5002045: December 2021 security update
KB5002045, released December 14, 2021, fixes 4 CVEs in Microsoft SharePoint Server Subscription Edition. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
4
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0293
87th percentile
Priority of the 4 CVEs
Patch now 0
Urgent 0
High 4
Routine 0
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2021-42309 | Microsoft Office SharePoint | Remote Code Execution | 8.8 | 0.0293 | Exploitation Less Likely |
| High | CVE-2021-42294 | Microsoft Office SharePoint | Remote Code Execution | 7.2 | 0.0231 | Exploitation Less Likely |
| High | CVE-2021-42320 | Microsoft Office SharePoint | Spoofing | 8.0 | 0.0160 | Exploitation Less Likely |
| High | CVE-2021-43242 | Microsoft Office SharePoint | Spoofing | 7.6 | 0.0130 | Exploitation Less Likely |
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