Microsoft · Security update · July 14, 2026
KB5101009: July 2026 security update
KB5101009, released July 14, 2026, fixes 17 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
17
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.0402
90th percentile
Priority of the 17 CVEs
Patch now 0
Urgent 0
High 16
Routine 1
Applies to
| Product |
|---|
| Microsoft .NET Framework 4.8 on Windows Server 2012 |
| Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-50646 | .NET Framework | Remote Code Execution | 8.8 | 0.0402 | Exploitation Less Likely |
| High | CVE-2026-50649 | .NET | Remote Code Execution | 8.8 | 0.0402 | Exploitation Less Likely |
| High | CVE-2026-50652 | Azure Active Directory | Denial of Service | 7.5 | 0.0173 | Exploitation Less Likely |
| High | CVE-2026-47302 | .NET | Denial of Service | 8.8 | 0.0117 | Exploitation Less Likely |
| High | CVE-2026-50525 | .NET | Denial of Service | 8.8 | 0.0117 | Exploitation Less Likely |
| High | CVE-2026-50527 | .NET Framework | Denial of Service | 8.8 | 0.0117 | Exploitation Less Likely |
| High | CVE-2026-50648 | .NET Framework | Denial of Service | 8.8 | 0.0117 | Exploitation Less Likely |
| High | CVE-2026-50304 | Active Directory Federation Services (AD FS) | Denial of Service | 7.5 | 0.0117 | Exploitation Unlikely |
| High | CVE-2026-50355 | Active Directory Federation Services (AD FS) | Denial of Service | 7.5 | 0.0117 | Exploitation Less Likely |
| High | CVE-2026-50368 | Active Directory Federation Services (AD FS) | Denial of Service | 7.5 | 0.0117 | Exploitation Unlikely |
| High | CVE-2026-50411 | Active Directory Federation Services (AD FS) | Denial of Service | 7.5 | 0.0117 | Exploitation Less Likely |
| High | CVE-2026-50647 | Active Directory Federation Services (AD FS) | Denial of Service | 7.5 | 0.0117 | Exploitation Less Likely |
| High | CVE-2026-50653 | Azure Active Directory | Denial of Service | 7.5 | 0.0117 | Exploitation Less Likely |
| High | CVE-2026-50659 | .NET | Spoofing | 8.8 | 0.0074 | Exploitation Less Likely |
| High | CVE-2026-50650 | .NET Framework | Elevation of Privilege | 8.8 | 0.0046 | Exploitation Less Likely |
| High | CVE-2026-47304 | .NET | Security Feature Bypass | 9.8 | 0.0029 | Exploitation Less Likely |
| Routine | CVE-2026-50324 | Active Directory Federation Services (AD FS) | Denial of Service | 5.9 | 0.0086 | Exploitation Less Likely |
Showing 1 to 17 of 17
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