CVE-2026-26131: CWE-276: Incorrect Default Permissions in Microsoft .NET 10.0
Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-26131) in Microsoft .NET 10.0 arises from incorrect default permissions (CWE-276). It enables an attacker with local authorized access to escalate privileges, potentially gaining higher-level control over the affected system. The CVSS 3.1 vector indicates low attack complexity and no user interaction required, with high impact on confidentiality, integrity, and availability. The vulnerability is not related to cloud services and no known exploits are reported in the wild. A patch is available to remediate the issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges, potentially compromising system confidentiality, integrity, and availability. This could lead to unauthorized access to sensitive information or disruption of system operations.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for .NET 10.0 to correct the incorrect default permissions and prevent privilege escalation. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-26131: CWE-276: Incorrect Default Permissions in Microsoft .NET 10.0
Description
Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-26131) in Microsoft .NET 10.0 arises from incorrect default permissions (CWE-276). It enables an attacker with local authorized access to escalate privileges, potentially gaining higher-level control over the affected system. The CVSS 3.1 vector indicates low attack complexity and no user interaction required, with high impact on confidentiality, integrity, and availability. The vulnerability is not related to cloud services and no known exploits are reported in the wild. A patch is available to remediate the issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges, potentially compromising system confidentiality, integrity, and availability. This could lead to unauthorized access to sensitive information or disruption of system operations.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for .NET 10.0 to correct the incorrect default permissions and prevent privilege escalation. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T16:24:51.132Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69b05632ea502d3aa87d6b59
Added to database: 3/10/2026, 5:34:42 PM
Last enriched: 4/18/2026, 2:16:41 PM
Last updated: 4/28/2026, 7:26:07 AM
Views: 153
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