Microsoft · Security update · February 10, 2026
KB5002836: February 2026 security update
KB5002836, released February 10, 2026, fixes 2 CVEs in Microsoft SharePoint Server 2019. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.
UrgentUnsupported product
CVEs closed
2
None rated Critical
Exploited
0
None reported
Exploitation more likely
1
Vendor assessment
Highest EPSS
0.0397
90th percentile
Priority of the 2 CVEs
Patch now 0
Urgent 1
High 1
Routine 0
Applies to
| Product |
|---|
| Microsoft SharePoint Server 2019 |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-21511 | Microsoft Office Outlook | Spoofing | 7.5 | 0.0397 | More likely |
| High | CVE-2026-21260 | Microsoft Office Outlook | Spoofing | 7.5 | 0.0150 | Exploitation Unlikely |
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