Microsoft · Security update · August 11, 2026
KB5122106: August 2026 security update
KB5122106, released August 11, 2026, fixes 7 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
7
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0123
69th percentile
Priority of the 7 CVEs
Patch now 0
Urgent 0
High 7
Routine 0
Applies to
| Product |
|---|
| .NET 10.0 runtime installed on Linux |
| .NET 10.0 runtime installed on Mac OS |
| .NET 10.0 runtime installed on Windows |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-62901 | .NET | Denial of Service | 7.8 | 0.0123 | Exploitation Less Likely |
| High | CVE-2026-62898 | Microsoft QUIC | Information Disclosure | 7.5 | 0.0103 | Exploitation Less Likely |
| High | CVE-2026-62899 | .NET | Security Feature Bypass | 7.8 | 0.0075 | Exploitation Less Likely |
| High | CVE-2026-62900 | .NET | Information Disclosure | 7.8 | 0.0075 | Exploitation Less Likely |
| High | CVE-2026-62897 | .NET Framework | Remote Code Execution | 7.0 | 0.0037 | Exploitation Less Likely |
| High | CVE-2026-70354 | .NET | Remote Code Execution | 7.8 | 0.0036 | Exploitation Less Likely |
| High | CVE-2026-62909 | .NET | Elevation of Privilege | 7.8 | 0.0034 | Exploitation Unlikely |
Showing 1 to 7 of 7
1