CVE-2026-26131
Received Received - Intake
Incorrect Default Permissions in .NET Allow Local Privilege Escalation

Publication date: 2026-03-10

Last updated on: 2026-04-01

Assigner: Microsoft Corporation

Description
Incorrect default permissions in .NET allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2026-03-10
Last Modified
2026-04-01
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-14
NVD
CVE-2026-26131
EUVD
EUVD-2026-10695
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft .net From 10.0.0 (inc) to 10.0.4 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-276 During installation, installed file permissions are set to allow anyone to modify those files.
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Executive Summary

This vulnerability involves incorrect default permissions in the .NET framework that allow an authorized attacker to elevate their privileges locally.

Impact Analysis

An attacker who already has some level of authorization on the system can exploit this vulnerability to gain higher privileges than intended, potentially leading to full control over the affected system.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

The vulnerability involves incorrect default permissions in .NET that allow an authorized attacker to elevate privileges locally.

To mitigate this vulnerability, it is important to apply any security updates or patches provided by Microsoft as soon as they become available.

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