Symlink Attack Affecting microsoft.net.build.containers package, versions [8.0.0,8.0.29)[9.0.0,9.0.18)[10.0.0,10.0.10)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DOTNET-MICROSOFTNETBUILDCONTAINERS-17979630
- published15 Jul 2026
- disclosed15 Jul 2026
- creditSiwei Li with Microsoft, Anonymous
Introduced: 15 Jul 2026
CVE-2026-50526 (opens in a new tab)How to fix?
Upgrade Microsoft.NET.Build.Containers to version 8.0.29, 9.0.18, 10.0.10 or higher.
Overview
Affected versions of this package are vulnerable to Symlink Attack via the .NET SDK container image building. A local attacker can inject malicious resources into the container image build environment, causing those resources to be incorporated into container images built by other users on the same machine. This may compromise the integrity of generated container images and affect downstream deployments.