Microsoft .NET/Visual Studio up to 8.0.31/9.0.20/10.0.12/11.0.0-rc.1 WPF origin validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.7$0-$5k2.19+

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Microsoft .NET and Visual Studio up to 8.0.31/9.0.20/10.0.12/11.0.0-rc.1. This affects an unknown function of the component WPF. Performing a manipulation results in origin validation. This vulnerability is known as CVE-2026-96234. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft .NET and Visual Studio up to 8.0.31/9.0.20/10.0.12/11.0.0-rc.1. It has been classified as problematic. This affects an unknown functionality of the component WPF. The manipulation with an unknown input leads to a origin validation vulnerability. CWE is classifying the issue as CWE-346. The product does not properly verify that the source of data or communication is valid. This is going to have an impact on confidentiality. The summary by CVE is:

Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.

The advisory is shared at msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2026-96234 since 09/22/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/14/2026).

Upgrading to version 8.0.32, 9.0.21, 10.0.13 or 11.0.0-rc.2 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (microsoft): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Origin validation
CWE: CWE-346 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: .NET/Visual Studio 8.0.32/9.0.21/10.0.13/11.0.0-rc.2

Timelineinfo

09/22/2026 CVE reserved
10/14/2026 +22 days Advisory disclosed
10/14/2026 +0 days VulDB entry created
10/14/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2026-96234 (🔒)
GCVE (CVE): GCVE-0-2026-96234
GCVE (VulDB): GCVE-100-418965

Entryinfo

Created: 10/14/2026 03:18
Changes: 10/14/2026 03:18 (64)
Complete: 🔍
Cache ID: 216::103

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