Microsoft · Security update · October 12, 2021
KB5002027: October 2021 security update
KB5002027, released October 12, 2021, fixes 4 CVEs in Microsoft Office Online Server. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.
UrgentUnsupported product
CVEs closed
4
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0599
93rd percentile
Priority of the 4 CVEs
Patch now 0
Urgent 1
High 2
Routine 1
Applies to
| Product |
|---|
| Microsoft Office Online Server |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2021-40486 | Microsoft Office Word | Remote Code Execution | 7.8 | 0.0599 | Exploitation Less Likely |
| High | CVE-2021-40485 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0268 | Exploitation Less Likely |
| High | CVE-2021-40474 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0231 | Exploitation Less Likely |
| Routine | CVE-2021-40472 | Microsoft Office Excel | Information Disclosure | 5.5 | 0.0073 | Exploitation Less Likely |
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