# RLSA-2026:86171: dotnet9.0 security update

RLSA-2026:86171, released November 7, 2026, fixes 20 CVEs in dotnet9.0 (version 0:9.0.122-1.el9_8). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rlsa-2026-86171
- Platform: Linux
- Released: Nov 7, 2026
- Priority: Urgent (Closes CVE-2026-92707, rated Critical)
- CVEs: 20, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://errata.rockylinux.org/RLSA-2026:86171

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [dotnet9.0](https://patchblox.com/security/data/product/linux/dotnet9.0.md) | rocky 9 | 0:9.0.122-1.el9_8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-92707](https://patchblox.com/security/data/cve/CVE-2026-92707.md) | Urgent | MessagePack-CSharp Denial of Service Vulnerability | 9.4 | 0.0068 | Disclosed |
| [CVE-2026-58280](https://patchblox.com/security/data/cve/CVE-2026-58280.md) | High | .NET Denial of Service Vulnerability | 9.4 | 0.0125 |  |
| [CVE-2026-69651](https://patchblox.com/security/data/cve/CVE-2026-69651.md) | High | .NET Denial of Service Vulnerability | 9.4 | 0.0125 |  |
| [CVE-2026-70159](https://patchblox.com/security/data/cve/CVE-2026-70159.md) | High | ASP.NET Core Denial of Service Vulnerability | 9.4 | 0.0123 |  |
| [CVE-2026-70181](https://patchblox.com/security/data/cve/CVE-2026-70181.md) | High | ASP.NET Core Denial of Service Vulnerability | 9.4 | 0.0123 |  |
| [CVE-2026-96236](https://patchblox.com/security/data/cve/CVE-2026-96236.md) | High | ASP.NET Core Denial of Service Vulnerability | 9.4 | 0.0109 |  |
| [CVE-2026-96233](https://patchblox.com/security/data/cve/CVE-2026-96233.md) | High | ASP.NET Core Denial of Service Vulnerability | 9.4 | 0.0099 |  |
| [CVE-2026-70186](https://patchblox.com/security/data/cve/CVE-2026-70186.md) | High | ASP.NET Core Denial of Service Vulnerability | 9.4 | 0.0096 |  |
| [CVE-2026-96230](https://patchblox.com/security/data/cve/CVE-2026-96230.md) | High | ASP.NET Core Remote Code Execution Vulnerability | 9.4 | 0.0095 |  |
| [CVE-2026-70188](https://patchblox.com/security/data/cve/CVE-2026-70188.md) | High | ASP.NET Core Security Feature Bypass Vulnerability | 9.4 | 0.0094 |  |
| [CVE-2026-88092](https://patchblox.com/security/data/cve/CVE-2026-88092.md) | High | ASP.NET Core Tampering Vulnerability | 9.4 | 0.0093 |  |
| [CVE-2026-70196](https://patchblox.com/security/data/cve/CVE-2026-70196.md) | High | ASP.NET Core Denial of Service Vulnerability | 9.4 | 0.0091 |  |
| [CVE-2026-66822](https://patchblox.com/security/data/cve/CVE-2026-66822.md) | High | .NET Information Disclosure Vulnerability | 9.4 | 0.0079 |  |
| [CVE-2026-70175](https://patchblox.com/security/data/cve/CVE-2026-70175.md) | High | ASP.NET Core Elevation of Privilege Vulnerability | 9.4 | 0.0073 |  |
| [CVE-2026-96237](https://patchblox.com/security/data/cve/CVE-2026-96237.md) | High | .NET Remote Code Execution Vulnerability | 9.4 | 0.0064 |  |
| [CVE-2026-70179](https://patchblox.com/security/data/cve/CVE-2026-70179.md) | High | ASP.NET Core Elevation of Privilege Vulnerability | 9.4 | 0.0063 |  |
| [CVE-2026-70183](https://patchblox.com/security/data/cve/CVE-2026-70183.md) | High | ASP.NET Core Elevation of Privilege Vulnerability | 9.4 | 0.0053 |  |
| [CVE-2026-96225](https://patchblox.com/security/data/cve/CVE-2026-96225.md) | High | .NET Elevation of Privilege Vulnerability | 9.4 | 0.0041 |  |
| [CVE-2026-96231](https://patchblox.com/security/data/cve/CVE-2026-96231.md) | High | .NET Elevation of Privilege Vulnerability | 9.4 | 0.0041 |  |
| [CVE-2026-96238](https://patchblox.com/security/data/cve/CVE-2026-96238.md) | High | .NET Security Feature Bypass Vulnerability | 9.4 | 0.0030 |  |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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