Microsoft · Security update · March 10, 2026
KB5002846: March 2026 security update
KB5002846, released March 10, 2026, fixes 4 CVEs in Office Online Server. 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
0.0055
46th percentile
Priority of the 4 CVEs
Patch now 0
Urgent 0
High 4
Routine 0
Applies to
| Product |
|---|
| Office Online Server |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-26108 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0055 | Exploitation Less Likely |
| High | CVE-2026-26107 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0050 | Exploitation Less Likely |
| High | CVE-2026-26112 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0049 | Exploitation Less Likely |
| High | CVE-2026-26109 | Microsoft Office Excel | Remote Code Execution | 8.4 | 0.0047 | Exploitation Unlikely |
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