Linux · Security advisory · November 7, 2026

ELSA-2026-86171: Security update for 14 packages

ELSA-2026-86171, released November 7, 2026, fixes 20 CVEs across 14 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent1 publicly disclosed
CVEs closed
20
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0125
69th percentile

Priority of the 20 CVEs

Patch now 0 Urgent 1 High 19 Routine 0

Fixed package versions

ProductReleaseFixed in
aspnetcore-runtime-9.0ol 90:9.0.21-1.0.1.el9_8
aspnetcore-runtime-dbg-9.0ol 90:9.0.21-1.0.1.el9_8
aspnetcore-targeting-pack-9.0ol 90:9.0.21-1.0.1.el9_8
dotnet-apphost-pack-9.0ol 90:9.0.21-1.0.1.el9_8
dotnet-hostfxr-9.0ol 90:9.0.21-1.0.1.el9_8
dotnet-runtime-9.0ol 90:9.0.21-1.0.1.el9_8
dotnet-runtime-dbg-9.0ol 90:9.0.21-1.0.1.el9_8
dotnet-sdk-9.0ol 90:9.0.122-1.0.1.el9_8
dotnet-sdk-9.0-source-built-artifactsol 90:9.0.122-1.0.1.el9_8
dotnet-sdk-aot-9.0ol 90:9.0.122-1.0.1.el9_8
dotnet-sdk-dbg-9.0ol 90:9.0.122-1.0.1.el9_8
dotnet-targeting-pack-9.0ol 90:9.0.21-1.0.1.el9_8
dotnet-templates-9.0ol 90:9.0.122-1.0.1.el9_8
netstandard-targeting-pack-2.1ol 90:9.0.122-1.0.1.el9_8

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Urgent CVE-2026-92707 MessagePack-CSharp Denial of Service Vulnerability 9.4 0.0068 DisclosedExploitation Less Likely
High CVE-2026-58280 .NET Denial of Service Vulnerability 9.4 0.0125 Exploitation Less Likely
High CVE-2026-69651 .NET Denial of Service Vulnerability 9.4 0.0125 Exploitation Less Likely
High CVE-2026-70159 ASP.NET Core Denial of Service Vulnerability 9.4 0.0123 Exploitation Less Likely
High CVE-2026-70181 ASP.NET Core Denial of Service Vulnerability 9.4 0.0123 Exploitation Less Likely
High CVE-2026-96236 ASP.NET Core Denial of Service Vulnerability 9.4 0.0109 Exploitation Less Likely
High CVE-2026-96233 ASP.NET Core Denial of Service Vulnerability 9.4 0.0099 Exploitation Unlikely
High CVE-2026-70186 ASP.NET Core Denial of Service Vulnerability 9.4 0.0096 Exploitation Less Likely
High CVE-2026-96230 ASP.NET Core Remote Code Execution Vulnerability 9.4 0.0095 Exploitation Less Likely
High CVE-2026-70188 ASP.NET Core Security Feature Bypass Vulnerability 9.4 0.0094 Exploitation Less Likely
High CVE-2026-88092 ASP.NET Core Tampering Vulnerability 9.4 0.0093 Exploitation Less Likely
High CVE-2026-70196 ASP.NET Core Denial of Service Vulnerability 9.4 0.0091 Exploitation Less Likely
High CVE-2026-66822 .NET Information Disclosure Vulnerability 9.4 0.0079 Exploitation Less Likely
High CVE-2026-70175 ASP.NET Core Elevation of Privilege Vulnerability 9.4 0.0073 Exploitation Less Likely
High CVE-2026-96237 .NET Remote Code Execution Vulnerability 9.4 0.0064 Exploitation Less Likely
High CVE-2026-70179 ASP.NET Core Elevation of Privilege Vulnerability 9.4 0.0063 Exploitation Less Likely
High CVE-2026-70183 ASP.NET Core Elevation of Privilege Vulnerability 9.4 0.0053 Exploitation Less Likely
High CVE-2026-96225 .NET Elevation of Privilege Vulnerability 9.4 0.0041 Exploitation Less Likely
High CVE-2026-96231 .NET Elevation of Privilege Vulnerability 9.4 0.0041 Exploitation Less Likely
High CVE-2026-96238 .NET Security Feature Bypass Vulnerability 9.4 0.0030 Exploitation Less Likely
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