Microsoft · Security update · March 10, 2026
KB5002843: March 2026 security update
KB5002843, released March 10, 2026, fixes 3 CVEs in Microsoft SharePoint Server Subscription Edition. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
3
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0158
75th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 1
High 2
Routine 0
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-26113 | Microsoft Office | Remote Code Execution | 8.4 | 0.0061 | Exploitation Less Likely |
| High | CVE-2026-26106 | Microsoft Office SharePoint | Remote Code Execution | 8.8 | 0.0158 | Exploitation Less Likely |
| High | CVE-2026-26105 | Microsoft Office SharePoint | Spoofing | 8.1 | 0.0130 | Exploitation Less Likely |
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