CVE-2026-96237Network attack vectorHinoki check available

Unauthenticated remote code execution requiring user interaction

Published Oct 13, 2026 · Updated Oct 13, 2026

Code execution in NuGet in Microsoft .NET SDK allows remote attackers to execute code over a network without authentication. Retrieved Microsoft records identify inclusion of untrusted functionality but do not disclose the faulty NuGet operation or input path. Exploitation requires user interaction; the specific interaction and additional attack conditions are not described in the available records.

CVSS severity7.5
High
EPSS probability0.55%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Code execution in NuGet in Microsoft .NET SDK allows remote attackers to execute code over a network without authentication. Retrieved Microsoft records identify inclusion of untrusted functionality but do not disclose the faulty NuGet operation or input path. Exploitation requires user interaction; the specific interaction and additional attack conditions are not described in the available records.

The record

CVE
CVE-2026-96237
Published
Oct 13, 2026
Updated
Oct 13, 2026
Vendor
Microsoft Corporation
Product
.NET 9.0
Classifications
CWE-829
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 13, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 13, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=9.0.0 <9.0.319

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft Corporation · .NET 9.0version=9.0.0 <9.0.319
Microsoft Corporation · .NET 10.0version=10.0.0 <10.0.113
Microsoft Corporation · Microsoft Visual Studio 2022 version 17.14version=17.14.0 <17.14.42
Microsoft Corporation · .NET 8.0version=8.0.0 <8.0.132
Microsoft Corporation · Microsoft Visual Studio 2026version=18.10.0 <18.10.4

Published CVSS scores

7.5MicrosoftCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-829Inclusion of Functionality from Untrusted Control Sphere

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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