Microsoft · Security update · September 8, 2026
KB5122874: September 2026 security update
KB5122874, released September 8, 2026, fixes 1 CVE across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
1
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.0084
57th percentile
Applies to
| Product |
|---|
| Windows 10 Version 1607 for 32-bit Systems |
| Windows 10 Version 1607 for x64-based Systems |
| Windows Server 2016 |
| Windows Server 2016 (Server Core installation) |
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 |
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