PT-2026-58368 · Microsoft · Ntfs

Published 2026-07-14 · Updated 2026-07-15 · CVE-2026-50388

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows NTFS (affected versions not specified)

Description An out-of-bounds read in Windows NTFS allows an unauthorized attacker to execute code locally. An out-of-bounds read occurs when a program reads data past the end of the intended buffer, potentially exposing sensitive information or causing a crash.

Recommendations Apply the Windows updates released in July.

Fix

Out of bounds Read

Integer Underflow

Weakness Enumeration

CWE-125

CWE-191

Related Identifiers

CVE-2026-50388

Affected Products

Ntfs

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-50388 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50388 · Vendor Advisory
• https://twitter.com/windowsforum/status/2077290868709482766 · Twitter Post