KB5104034
Security update fixing 14 CVEs
0Windows versions
14CVEs fixed · 0 critical
0Exploited or in CISA KEV
0Open known issues affecting it
—Restart required (per MSRC)
Known issues in this update
Windows release healthNo known issues listed
Windows release health lists no issues from this KB or the update it builds on.
Issues this update resolves
No resolved issues listed
Windows release health names no issues fixed by this KB.
Security fixes
14 Microsoft CVEs · most urgent first| CVE | Vulnerability | Severity | CVSS | EPSS | Impact | Status |
|---|---|---|---|---|---|---|
| CVE-2026-47300 | ASP.NET Core Elevation of Privilege VulnerabilityASP.NET Core | Important | 8.8 | 0.8% | Elevation of Privilege | |
| CVE-2026-47303 | ASP.NET Core Elevation of Privilege VulnerabilityASP.NET Core | Important | 8.8 | 0.8% | Elevation of Privilege | Revised 7 Aug |
| CVE-2026-50528 | .NET Security Feature Bypass Vulnerability.NET | Important | 8.2 | 0.6% | Security Feature Bypass | |
| CVE-2026-47304 | .NET Security Feature Bypass Vulnerability.NET | Important | 8.1 | 0.3% | Security Feature Bypass | Revised 21 Jul |
| CVE-2026-47302 | .NET Denial of Service Vulnerability.NET | Important | 7.5 | 1.2% | Denial of Service | Revised 20 Jul |
| CVE-2026-50524 | .NET Framework Denial of Service Vulnerability.NET Framework | Important | 7.5 | 1.2% | Denial of Service | |
| CVE-2026-50525 | .NET Denial of Service Vulnerability.NET | Important | 7.5 | 1.2% | Denial of Service | Revised 21 Jul |
| CVE-2026-50527 | .NET Framework Denial of Service Vulnerability.NET Framework | Important | 7.5 | 1.2% | Denial of Service | Revised 20 Jul |
| CVE-2026-50648 | .NET Framework Denial of Service Vulnerability.NET Framework | Important | 7.5 | 1.2% | Denial of Service | Revised 20 Jul |
| CVE-2026-50651 | .NET Denial of Service Vulnerability.NET | Important | 7.5 | 1.2% | Denial of Service | |
| CVE-2026-56170 | ASP.NET Core Denial of Service VulnerabilityASP.NET Core | Important | 7.5 | 1.2% | Denial of Service | |
| CVE-2026-57108 | .NET Denial of Service Vulnerability.NET Core | Important | 7.5 | 1.2% | Denial of Service | |
| CVE-2026-50526 | .NET Tampering Vulnerability.NET | Important | 7.0 | 0.2% | Tampering | |
| CVE-2026-50659 | .NET Spoofing Vulnerability.NET | Important | 6.5 | 0.7% | Spoofing | Revised 7 Aug |