EUVD-2026-44406Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Remote, unauthenticated, low-complexity network trigger with no user interaction; impact is availability-only resource exhaustion, so C and I are N and A is H.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2DescriptionCVE.org
Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.
AnalysisAI
Network denial of service in Microsoft .NET 8.0, 9.0, and 10.0 (and the corresponding Visual Studio 2022/2026 tooling) allows an unauthorized remote attacker to exhaust system resources and render affected applications unavailable. The flaw stems from allocation of resources without limits or throttling, meaning a single crafted network interaction can trigger disproportionate resource consumption. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions - remote unauthenticated exploitation (AV:N/AC:L/PR:N/UI:N) against network-reachable Microsoft .NET applications built on the affected 8.0/9.0/10.0 runtimes. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, score 7.5) indicates a network-reachable, low-complexity, unauthenticated attack requiring no user interaction, with impact limited entirely to availability (no confidentiality or integrity loss). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with network reachability to an internet-facing .NET service sends crafted or high-volume requests that coerce the runtime into allocating resources without bound, driving memory, thread, or connection consumption until the process degrades or crashes. Because no authentication or user interaction is required and attack complexity is low, this can be scripted and repeated to sustain an outage. … |
| Remediation | Vendor-released patch: apply the updates published in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50651 - install the latest servicing release for your .NET 8.0, 9.0, or 10.0 runtime/SDK and the corresponding Visual Studio 2022 (17.12/17.14) or 2026 (18.7) update; the exact patched build numbers are listed in the MSRC guide. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify and inventory all production systems running .NET 8.0, 9.0, or 10.0, and catalog Visual Studio 2022/2026 installations used for application development. …
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External POC / Exploit Code
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