Microsoft · Security update · August 11, 2026
KB5002903: August 2026 security update
KB5002903, released August 11, 2026, fixes 23 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
23
3 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.0092
60th percentile
Priority of the 23 CVEs
Patch now 0
Urgent 3
High 14
Routine 6
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-68794 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| Urgent | CVE-2026-68804 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| Urgent | CVE-2026-68816 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-65807 | Microsoft Office Excel | Remote Code Execution | 8.8 | 0.0082 | Exploitation Less Likely |
| High | CVE-2026-68793 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-68795 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-68796 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-68801 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-68803 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-68805 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-68806 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-68810 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-68811 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-68812 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-68814 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-68815 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-68817 | Microsoft Office Excel | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| Routine | CVE-2026-70327 | Microsoft Office Excel | Information Disclosure | 6.5 | 0.0092 | Exploitation Less Likely |
| Routine | CVE-2026-70328 | Microsoft Office Excel | Information Disclosure | 6.5 | 0.0092 | Exploitation Less Likely |
| Routine | CVE-2026-68797 | Microsoft Office Excel | Information Disclosure | 5.5 | 0.0054 | Exploitation Less Likely |
| Routine | CVE-2026-68799 | Microsoft Office Excel | Information Disclosure | 5.5 | 0.0054 | Exploitation Less Likely |
| Routine | CVE-2026-68802 | Microsoft Office Excel | Information Disclosure | 5.5 | 0.0054 | Exploitation Less Likely |
| Routine | CVE-2026-68808 | Microsoft Office Excel | Information Disclosure | 5.5 | 0.0054 | Exploitation Less Likely |
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