Microsoft · Security update · April 14, 2026
KB5086097: April 2026 security update
KB5086097, released April 14, 2026, fixes 4 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
4
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.0228
83rd percentile
Priority of the 4 CVEs
Patch now 0
Urgent 0
High 4
Routine 0
Applies to
| Product |
|---|
| .NET 9.0 runtime installed on Linux |
| .NET 9.0 runtime installed on Mac OS |
| .NET 9.0 runtime installed on Windows |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-32178 | .NET | Spoofing | 7.5 | 0.0228 | Exploitation Less Likely |
| High | CVE-2026-33116 | .NET, .NET Framework, Visual Studio | Denial of Service | 7.5 | 0.0214 | Exploitation Less Likely |
| High | CVE-2026-32203 | .NET and Visual Studio | Denial of Service | 7.5 | 0.0190 | Exploitation Less Likely |
| High | CVE-2026-26171 | .NET | Denial of Service | 7.5 | 0.0175 | Exploitation Less Likely |
Showing 1 to 4 of 4
1
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.