PT-2026-58491 · Microsoft · Ntfs+1

CVE-2026-50668 · Published 2026-07-14 · Updated 2026-07-15

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

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

Description A heap-based buffer overflow exists in the Windows NTFS file system. This issue allows an unauthorized attacker to elevate privileges through a physical attack, such as using a rogue USB device. A heap-based buffer overflow occurs when a program writes more data to a heap memory buffer than it can hold, potentially leading to memory corruption.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2026-10037

CVE-2026-50668

Affected Products

Ntfs

Windows

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-50668 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-50668 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50668 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-50668 · Security Note
• https://bdu.fstec.ru/vul/2026-10037 · Security Note
• https://twitter.com/windowsforum/status/2077388257579438439 · Twitter Post