SB20260310127 - Multiple vulnerabilities in Microsoft .NET



SB20260310127 - Multiple vulnerabilities in Microsoft .NET

Published: March 10, 2026

Security Bulletin ID SB20260310127
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Incorrect default permissions (CVE-ID: CVE-2026-26131)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions in .NET. A local user can gain elevated privileges on the target systen.


2) Out-of-bounds read (CVE-ID: CVE-2026-26127)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in .NET. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.


Remediation

Install update from vendor's website.