CVE-2026-50506: OData for ASP.NET and ASP.NET Core Denial of Service Vulnerability

highCVSS 7.5CVE-2026-50506

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

CSIRTS triage

vendor: Microsoft product: ASP.NET Core Denial of service

What: Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Who is affected: Unauthorized users of ASP.NET Core applications are affected.
Urgency: Remediation is urgent due to the high severity and potential for denial of service.
Action: Apply the latest security updates from Microsoft.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.5
Published: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50506

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-505060.78% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-50506	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

high[NEW] [high] Microsoft DeveloperTools: Multiple vulnerabilitiescert-bund
unknownMultiple vulnerabilities in Microsoft products (July 15, 2026)cert-fr-avis
unknownNCSC-2026-0235 [1.00] [M/H] Vulnerabilities fixed in Microsoft Developer Toolsncsc-nl
highCVE-2026-50506: Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized at…nvd

Recent advisories for OData for ASP.NET

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-45646: OData for ASP.NET and ASP.NET Core Denial of Service Vulnerabilitymsrc · 2026-07-14