Microsoft · Security update · September 8, 2026
KB5002916: September 2026 security update
KB5002916, released September 8, 2026, fixes 18 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.
UrgentUnsupported product
CVEs closed
18
5 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.0092
60th percentile
Priority of the 18 CVEs
Patch now 0
Urgent 5
High 3
Routine 10
Applies to
| Product |
|---|
| Microsoft Office 2016 (32-bit edition) |
| Microsoft Office 2016 (64-bit edition) |
| Microsoft Word 2016 (32-bit edition) |
| Microsoft Word 2016 (64-bit edition) |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-81955 | Microsoft Graphics Component | Remote Code Execution | 8.8 | 0.0084 | Exploitation Unlikely |
| Urgent | CVE-2026-69285 | Microsoft Office | Remote Code Execution | 8.8 | 0.0082 | Exploitation Less Likely |
| Urgent | CVE-2026-78505 | Microsoft Office | Remote Code Execution | 8.8 | 0.0082 | Exploitation Less Likely |
| Urgent | CVE-2026-81952 | Microsoft Office Word | Remote Code Execution | 8.8 | 0.0082 | Exploitation Less Likely |
| Urgent | CVE-2026-78510 | Microsoft Office | Remote Code Execution | 8.4 | 0.0037 | Exploitation Less Likely |
| High | CVE-2026-69442 | Microsoft Office | Remote Code Execution | 8.8 | 0.0082 | Exploitation Less Likely |
| High | CVE-2026-69764 | Microsoft Office Word | Remote Code Execution | 8.8 | 0.0082 | Exploitation Unlikely |
| High | CVE-2026-78524 | Microsoft Office | Remote Code Execution | 8.8 | 0.0082 | Exploitation Less Likely |
| Routine | CVE-2026-69626 | Microsoft Office | Information Disclosure | 6.5 | 0.0092 | Exploitation Less Likely |
| Routine | CVE-2026-69734 | Microsoft Office Word | Information Disclosure | 6.5 | 0.0092 | Exploitation Less Likely |
| Routine | CVE-2026-69739 | Microsoft Office | Information Disclosure | 6.5 | 0.0092 | Exploitation Less Likely |
| Routine | CVE-2026-72974 | Microsoft Office Excel | Information Disclosure | 6.5 | 0.0092 | Exploitation Less Likely |
| Routine | CVE-2026-78515 | Microsoft Office Excel | Information Disclosure | 6.5 | 0.0092 | Exploitation Less Likely |
| Routine | CVE-2026-80087 | Microsoft Office | Information Disclosure | 6.5 | 0.0092 | Exploitation Less Likely |
| Routine | CVE-2026-80088 | Microsoft Office Word | Information Disclosure | 6.5 | 0.0092 | Exploitation Less Likely |
| Routine | CVE-2026-80089 | Microsoft Office | Information Disclosure | 6.5 | 0.0092 | Exploitation Less Likely |
| Routine | CVE-2026-80091 | Microsoft Office | Information Disclosure | 6.5 | 0.0092 | Exploitation Less Likely |
| Routine | CVE-2026-64918 | Microsoft Office | Spoofing | 6.5 | 0.0087 | Exploitation Less Likely |
Showing 1 to 18 of 18
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