CVE-2026-70175

Name of the Vulnerable Software and Affected Versions Microsoft.AspNetCore.App.Runtime.linux-arm versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.linux-arm versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.linux-arm versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.linux-x64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.linux-x64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.linux-x64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.osx-x64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.osx-x64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.osx-x64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.win-arm versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.win-arm versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.win-arm versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.win-arm64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.win-arm64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.win-arm64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.win-x64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.win-x64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.win-x64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.win-x86 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.win-x86 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.win-x86 versions 10.0.0 through 10.0.12

Description Improper authentication in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network. Specifically, password-reset and confirmation flows in Microsoft.AspNetCore.Identity and Microsoft.AspNetCore.Identity.UI may send emails to an unvalidated request address instead of the user's stored canonical address.

Recommendations Update Microsoft.AspNetCore.App.Runtime.linux-arm versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.linux-arm versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.linux-arm versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.linux-x64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.linux-x64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.linux-x64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.osx-x64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.osx-x64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.osx-x64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.win-arm versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.win-arm versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.win-arm versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.win-arm64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.win-arm64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.win-arm64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.win-x64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.win-x64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.win-x64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.win-x86 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.win-x86 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.win-x86 versions 10.0.0 through 10.0.12 to version 10.0.13 Self-contained applications targeting any of the impacted versions must be recompiled and redeployed.