CVE-2026-57108: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') in Microsoft .NET 10.0
Access of resource using incompatible type ('type confusion') in .NET Core allows an unauthorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-843 (Access of Resource Using Incompatible Type), affects Microsoft .NET 10.0. It allows an attacker without privileges or user interaction to cause a denial of service by exploiting type confusion in the .NET Core runtime. The CVSS v3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability (denial of service). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation results in denial of service (application or service crash) without impacting confidentiality or integrity. The vulnerability can be triggered remotely over a network without authentication or user interaction, making it a significant availability risk.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57108 to remediate this vulnerability. No additional mitigation actions are specified or required beyond applying the official patch.
CVE-2026-57108: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') in Microsoft .NET 10.0
Description
Access of resource using incompatible type ('type confusion') in .NET Core allows an unauthorized attacker to deny service over a network.
CVSS v3.1
Score 7.5high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-843 (Access of Resource Using Incompatible Type), affects Microsoft .NET 10.0. It allows an attacker without privileges or user interaction to cause a denial of service by exploiting type confusion in the .NET Core runtime. The CVSS v3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability (denial of service). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation results in denial of service (application or service crash) without impacting confidentiality or integrity. The vulnerability can be triggered remotely over a network without authentication or user interaction, making it a significant availability risk.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57108 to remediate this vulnerability. No additional mitigation actions are specified or required beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-23T18:29:51.054Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57108","vendor":"Microsoft"}]
Threat ID: 6a5676bf68715ace43f0b081
Added to database: 07/14/2026, 17:49:51 UTC
Last enriched: 08/13/2026, 15:56:29 UTC
Last updated: 08/27/2026, 11:04:02 UTC
Views: 67
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