CVE-2026-70159

HIGHCVSS 7.5/10

Last modified

CVE-2026-70159 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network..

Description

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MicrosoftMicrosoft Visual Studio 2022 version 17.14>= 17.14.0, < 17.14.42
MicrosoftMicrosoft Visual Studio 2026 version 18.10>= 18.10.0, < 18.10.4
MicrosoftMicrosoft.AspNetCore.SignalR.Common>= 10.0.0, < 10.0.13
MicrosoftMicrosoft.AspNetCore.SignalR.Core>= 1.0.0, < 1.2.14

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-70159?
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
How severe is CVE-2026-70159?
CVE-2026-70159 has a CVSS score of 7.5/10 (HIGH severity).
How do I fix CVE-2026-70159?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST