Microsoft · Security update · June 9, 2026
KB5002873: June 2026 security update
KB5002873, released June 9, 2026, fixes 31 CVEs in Microsoft SharePoint Server Subscription Edition. One of them is being exploited (CVE-2026-58644); 1 on CISA KEV. Patch Radar priority: Patch now.
Patch now1 on CISA KEV
CVEs closed
31
3 rated Critical
Exploited
1
CVE-2026-58644
Exploitation more likely
2
Microsoft's assessment
Highest EPSS
0.3354
98th percentile
Priority of the 31 CVEs
Patch now 1
Urgent 4
High 6
Routine 20
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2026-58644 | Microsoft Office SharePoint | Remote Code Execution | 9.8 | 0.1587 | KEVExploited |
| Urgent | CVE-2026-45481 | Microsoft Office SharePoint | Spoofing | 7.3 | 0.0063 | More likely |
| Urgent | CVE-2026-47634 | Microsoft Office SharePoint | Spoofing | 7.3 | 0.0051 | More likely |
| Urgent | CVE-2026-45456 | Microsoft Office | Remote Code Execution | 8.4 | 0.0044 | Exploitation Less Likely |
| Urgent | CVE-2026-45458 | Microsoft Office | Remote Code Execution | 8.4 | 0.0044 | Exploitation Less Likely |
| High | CVE-2026-45484 | Microsoft Office SharePoint | Elevation of Privilege | 8.8 | 0.3354 | Exploitation Less Likely |
| High | CVE-2026-47298 | Microsoft Office SharePoint | Remote Code Execution | 8.0 | 0.0062 | Exploitation Less Likely |
| High | CVE-2026-44819 | Microsoft Office | Remote Code Execution | 7.8 | 0.0046 | Exploitation Less Likely |
| High | CVE-2026-44824 | Microsoft Office | Remote Code Execution | 7.8 | 0.0046 | Exploitation Less Likely |
| High | CVE-2026-45471 | Microsoft Office Word | Remote Code Execution | 7.8 | 0.0046 | Exploitation Less Likely |
| High | CVE-2026-45475 | Microsoft Office | Remote Code Execution | 7.8 | 0.0046 | Exploitation Less Likely |
| Routine | CVE-2026-45454 | Microsoft Office SharePoint | Remote Code Execution | 6.5 | 0.0163 | Exploitation Less Likely |
| Routine | CVE-2026-48560 | Microsoft Office SharePoint | Spoofing | 5.4 | 0.0086 | Exploitation Less Likely |
| Routine | CVE-2026-33113 | Microsoft Office SharePoint | Spoofing | 5.4 | 0.0048 | Exploitation Less Likely |
| Routine | CVE-2026-45453 | Microsoft Office SharePoint | Spoofing | 5.4 | 0.0047 | Exploitation Less Likely |
| Routine | CVE-2026-45464 | Microsoft Office SharePoint | Spoofing | 5.4 | 0.0047 | Exploitation Less Likely |
| Routine | CVE-2026-45465 | Microsoft Office SharePoint | Spoofing | 5.4 | 0.0047 | Exploitation Less Likely |
| Routine | CVE-2026-47636 | Microsoft Office SharePoint | Spoofing | 5.4 | 0.0047 | Exploitation Less Likely |
| Routine | CVE-2026-47639 | Microsoft Office SharePoint | Spoofing | 5.4 | 0.0047 | Exploitation Unlikely |
| Routine | CVE-2026-44821 | Microsoft Office | Information Disclosure | 5.5 | 0.0047 | Exploitation Less Likely |
| Routine | CVE-2026-45462 | Microsoft Office SharePoint | Spoofing | 4.6 | 0.0046 | Exploitation Less Likely |
| Routine | CVE-2026-45467 | Microsoft Office SharePoint | Spoofing | 4.6 | 0.0046 | Exploitation Less Likely |
| Routine | CVE-2026-45468 | Microsoft Office SharePoint | Spoofing | 4.6 | 0.0046 | Exploitation Less Likely |
| Routine | CVE-2026-45479 | Microsoft Office SharePoint | Spoofing | 4.6 | 0.0046 | Exploitation Less Likely |
| Routine | CVE-2026-45483 | Microsoft Office Project | Spoofing | 4.6 | 0.0046 | Exploitation Less Likely |
Showing 1 to 25 of 31
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