6.5Medium

CVE-2026-96229.NET Information Disclosure Vulnerability

Microsoft .NET 10.0 runtime; Microsoft .NET 11.0 runtime; Microsoft .NET 8.0 runtime; Microsoft .NET 9.0 runtime Published: 2026-10-13 22:01 (1 month ago)

Description

Permissive list of allowed inputs in .NET allows an unauthorized attacker to disclose information over a network.

Weakness (CWE): CWE-183

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
Microsoft	Microsoft Visual Studio 2022 version 17.14	17.14.0 – < 17.14.42
Microsoft	Microsoft Visual Studio 2026 version 18.10	18.10.0 – < 18.10.4
microsoft	.net	11.0.0 – < 11.0.0-rc.2
Microsoft	.NET 10.0 runtime	10.0.0 – < 10.0.13
Microsoft	.NET 11.0 runtime	11.0.0 – < 11.0.0-rc.2
Microsoft	.NET 8.0 runtime	8.0.0 – < 8.0.32
Microsoft	.NET 9.0 runtime	9.0.0 – < 9.0.21
microsoft	visual studio 2022	17.14.0 – < 17.14.42

References and patches

.NET Information Disclosure Vulnerability vendor-advisorypatch

CVSS score

6.5Medium

Source: microsoft · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

All scores (2)

cna	CVSS 3.1	6.5Medium
secure@microsoft.com	CVSS 3.1	6.5Medium

EPSS (chance of exploitation in 30 days)

0.95%

higher than 62% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

ID reserved2026-09-22
Published2026-10-13 22:01
Reached IP-DB2026-10-24 23:27
Last updated2026-11-10 23:44

Assigned by (CNA): microsoft
NVD status: Awaiting Analysis

View at source: CVE.org · NVD

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