Microsoft · Security update · August 11, 2026
KB5002901: August 2026 security update
KB5002901, released August 11, 2026, fixes 17 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
17
2 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.0097
62nd percentile
Priority of the 17 CVEs
Patch now 0
Urgent 2
High 4
Routine 11
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-63525 | Microsoft Office Word | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| Urgent | CVE-2026-64907 | Microsoft Office Word | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-63527 | Microsoft Office Word | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-64905 | Microsoft Office Word | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-64915 | Microsoft Office Word | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| High | CVE-2026-70311 | Microsoft Office Word | Remote Code Execution | 7.8 | 0.0047 | Exploitation Less Likely |
| Routine | CVE-2026-70105 | Microsoft Office Word | Information Disclosure | 6.5 | 0.0097 | Exploitation Less Likely |
| Routine | CVE-2026-63528 | Microsoft Office Word | Information Disclosure | 5.5 | 0.0054 | Exploitation Unlikely |
| Routine | CVE-2026-63530 | Microsoft Office Word | Information Disclosure | 5.5 | 0.0054 | Exploitation Less Likely |
| Routine | CVE-2026-63531 | Microsoft Office Word | Information Disclosure | 5.5 | 0.0054 | Exploitation Less Likely |
| Routine | CVE-2026-64917 | Microsoft Office Word | Information Disclosure | 5.5 | 0.0054 | Exploitation Less Likely |
| Routine | CVE-2026-70318 | Microsoft Office Excel | Information Disclosure | 5.5 | 0.0054 | Exploitation Less Likely |
| Routine | CVE-2026-63521 | Microsoft Office Word | Information Disclosure | 5.5 | 0.0044 | Exploitation Unlikely |
| Routine | CVE-2026-66806 | Microsoft Office Word | Information Disclosure | 5.5 | 0.0044 | Exploitation Less Likely |
| Routine | CVE-2026-66809 | Microsoft Office | Information Disclosure | 5.5 | 0.0044 | Exploitation Less Likely |
| Routine | CVE-2026-66810 | Microsoft Office Word | Information Disclosure | 5.5 | 0.0044 | Exploitation Less Likely |
| Routine | CVE-2026-70310 | Microsoft Office Word | Information Disclosure | 5.5 | 0.0044 | Exploitation Less Likely |
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