CVE-2026-26171
1 advisory.
NuGet/System.Security.Cryptography.Xml CVE-2026-26171: high 7.5
Microsoft Security Advisory CVE-2026-26171 – .NET Denial of Service Vulnerability
Action: Upgrade System.Security.Cryptography.Xml to 8.0.3 (8.x), 9.0.15 (9.x) or 10.0.6 (10.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 10.0.0 | 10.0.6 | - |
| 9.0.0 | 9.0.15 | - |
| 8.0.0 | 8.0.3 | - |
Fixed versions
| 10.0.6 | 9.0.15 | 8.0.3 |
Sources
- osv: GHSA-w3x6-4m5h-cxqf
- https://github.com/dotnet/runtime/security/advisories/GHSA-w3x6-4m5h-cxqf
- https://nvd.nist.gov/vuln/detail/CVE-2026-26171
- https://github.com/dotnet/announcements/issues/389
- https://github.com/dotnet/runtime
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26171
CVE-2026-26171 · published · modified · JSON