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CVE-2026-50648: .NET Framework Denial of Service Vulnerability

highCVSS 7.5CVE-2026-50648
Allocation of resources without limits or throttling in .NET Framework allows an unauthorized attacker to deny service over a network.

CSIRTS triage

vendor: Microsoftproduct: .NET FrameworkDenial of service
What
An unauthorized attacker can deny service over a network due to resource allocation without limits or throttling.
Who is affected
Deployments of .NET Framework are affected.
Urgency
Remediation is important due to high severity and potential denial of service.
Action
Update to the latest version of .NET Framework to mitigate this vulnerability.

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-2026-50648

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-50648coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for .NET Framework Denial

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.

More from Microsoft Security Response Center