Microsoft · Security update · October 13, 2026
KB5126649: October 2026 security update
KB5126649, released October 13, 2026, fixes 2 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
2
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.0038
32nd percentile
Priority of the 2 CVEs
Patch now 0
Urgent 0
High 2
Routine 0
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 |
|---|---|---|---|---|---|---|
| High | CVE-2026-69950 | Windows Overlay Filter | Elevation of Privilege | 7.8 | 0.0038 | Exploitation Less Likely |
| High | CVE-2026-83863 | Servicing Stack Updates | Elevation of Privilege | 7.8 | 0.0035 | Exploitation Less Likely |
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