PT-2026-58425 · Microsoft · Windows Ntfs+1

CVE-2026-50448 · Published 2026-07-14 · Updated 2026-07-15

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 A heap-based buffer overflow exists in Windows NTFS, which could allow an unauthorized attacker to execute code locally. This issue requires user interaction to be triggered.

Recommendations Apply update KB5101650.

Fix

RCE

DoS

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2026-09957

CVE-2026-50448

Affected Products

Windows

Windows Ntfs

References · 6

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-50448 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-50448 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50448 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-09957 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-50448 · Vendor Advisory
• https://twitter.com/windowsforum/status/2077303944510857357 · Twitter Post