High severity7.5NVD Advisory· Published Oct 13, 2026· Updated Oct 13, 2026

CVE-2026-70183

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

Affected products

Microsoft/ASP.NET Corellm-fuzzy

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-494h-xx7x-5frhghsaADVISORY
github.com/dotnet/announcements/issues/460ghsa
github.com/dotnet/aspnetcore/security/advisories/GHSA-494h-xx7x-5frhghsa
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70183nvd

News mentions

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