SB2026031121 - Out-of-bounds read in Microsoft Windows Extensible File Allocation Table



SB2026031121 - Out-of-bounds read in Microsoft Windows Extensible File Allocation Table

Published: March 11, 2026

Security Bulletin ID SB2026031121
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2026-25174)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in Windows Extensible File Allocation Table. A local user can trigger an out-of-bounds read error and read contents of memory on the system, leading to privilege escalation.


Remediation

Install update from vendor's website.