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.NET Denial of Service Vulnerability

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

CVE-2026-26171

Exact risk observation. Current source statements above are a separate evidence layer. Latest risk evidence.

No KEV entry is attached to this observation; this is not evidence that exploitation is absent.

FIRST EPSS: 1.75 % · percentile 77.75 % · scored 25 Oct 2026. Retained older prediction.

Observed 25 Oct 2026 15:18:41 UTC · Complete immutable risk JSON

Immutable source observations

7 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

1 Nov 2026 04:05:26 UTC

Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

euvd · EUVD-2026-22404 · Published

30 Oct 2026 03:49:56 UTC

Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

euvd · EUVD-2026-22404 · Published

28 Oct 2026 02:53:37 UTC

Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

euvd · EUVD-2026-22404 · Published

27 Oct 2026 07:23:21 UTC

Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

nvd · CVE-2026-26171 · Published

25 Oct 2026 06:17:22 UTC

Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

nvd · CVE-2026-26171 · Published

23 Oct 2026 16:01:25 UTC

Microsoft Security Advisory CVE-2026-26171 – .NET Denial of Service Vulnerability

osv · GHSA-w3x6-4m5h-cxqf · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 1 Nov 18:18 UTC · 275 of 275 readable · 272 fully read · documentation 469/469 current