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7.8
Windows Extensible File Allocation Privilege Elevation Risk
CVE-2026-25174
Summary
An attacker with authorized access can potentially exploit a weakness in Windows Extensible File Allocation on a Windows system, allowing them to gain elevated privileges. This could let them access sensitive data or perform unauthorized actions. To protect your system, update your Windows software with the latest security patches.
Original title
Out-of-bounds read in Windows Extensible File Allocation allows an authorized attacker to elevate privileges locally.
Original description
Out-of-bounds read in Windows Extensible File Allocation allows an authorized attacker to elevate privileges locally.
nvd CVSS3.1
7.8
Vulnerability type
CWE-125
Out-of-bounds Read
Published: 10 Mar 2026 · Updated: 14 Mar 2026 · First seen: 11 Mar 2026