Microsoft · Security update · September 8, 2026
KB4011160: September 2026 security update
KB4011160, released September 8, 2026, fixes 1 CVE across 2 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0082
57th percentile
Applies to
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-78512 | Microsoft Office Word | Remote Code Execution | 8.8 | 0.0082 | Exploitation Less Likely |
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