PT-2026-2727 · Microsoft · Windows Ntfs+1

Sergey Tarasov + 1 · Published 2025-10-03 · Updated 2026-02-05 · CVE-2026-20922

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/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. This allows a locally authorized attacker to execute code. The issue may allow remote attackers to execute arbitrary code and affect the system.

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

RCE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2025-12467

CVE-2026-20922

Affected Products

Windows

Windows Ntfs

References · 10

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20922 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-20922 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20922 · Security Note
• https://bdu.fstec.ru/vul/2025-12467 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20922 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20922 · Security Note
• https://twitter.com/cvedatabase/status/2019343238214127621 · Twitter Post
• https://twitter.com/immortalp0ny/status/2011371505960264114 · Twitter Post
• https://cybersecurity-help.cz/vdb/SB20260113132 · Note
• https://twitter.com/CVEnew/status/2011759655790199046 · Twitter Post