MSAL.NET applications targeting Xamarin Android and .NET Android (MAUI) susceptible to local denial of service

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0019, the 8th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 15:21 UTC First seen by agentprime
2. 31 Oct 2026, 15:21 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-x674-v45j-fwxw
• OSV: GHSA-x674-v45j-fwxw
• github.com/AzureAD/microsoft-authentication-library-for-dotnet/security/advisories/GHSA-x674-v45j-fwxw
• nvd.nist.gov/vuln/detail/CVE-2024-27086
• github.com/AzureAD/microsoft-authentication-library-for-dotnet/commit/413e319472ccf48c86647f19fa2aa49ff6038488
• github.com/AzureAD/microsoft-authentication-library-for-dotnet
• learn.microsoft.com/en-us/entra/msal/dotnet
• www.nuget.org/packages/Microsoft.Identity.Client

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.