Microsoft · Security update · May 11, 2021
KB5001914: May 2021 security update
KB5001914, released May 11, 2021, fixes 5 CVEs in Microsoft Office Online Server. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.
HighUnsupported product
CVEs closed
5
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.1601
96th percentile
Priority of the 5 CVEs
Patch now 0
Urgent 0
High 3
Routine 2
Applies to
| Product |
|---|
| Microsoft Office Online Server |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2021-31179 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.1349 | Exploitation Less Likely |
| High | CVE-2021-31175 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0316 | Exploitation Less Likely |
| High | CVE-2021-31177 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0306 | Exploitation Less Likely |
| Routine | CVE-2021-31178 | Microsoft Office Excel | Information Disclosure | 5.5 | 0.1601 | Exploitation Less Likely |
| Routine | CVE-2021-31174 | Microsoft Office Excel | Information Disclosure | 5.5 | 0.0294 | Exploitation Less Likely |
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