CVE-2026-105542: Windows NTFS pointer dereference remote code execution

CVE-2026-105542 · Severity: high · CVSS 8.8 · Published 2026-11-10

A flaw in Windows NTFS, the file system that manages data storage on most Windows systems, allows an attacker to execute arbitrary code remotely on a vulnerable machine without authentication. An attacker could exploit this to take full control of affected systems, install malware, or exfiltrate sensitive data.

Technologies: Microsoft Windows NTFS. Vendors: Microsoft.

Quick answers

Is CVE-2026-105542 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-105542 being exploited in the wild.
How severe is CVE-2026-105542?
High severity, with a CVSS score of 8.8, published 10 November 2026.
Which products and versions are affected?
Microsoft Windows NTFS.
Is there a fix for CVE-2026-105542?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-105542 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2026-105542?
Check whether you run Microsoft Windows NTFS. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An untrusted pointer dereference vulnerability in Windows NTFS allows remote code execution without requiring prior authentication. The attack can be delivered over the network, likely through file sharing or network-accessible storage operations. A successful exploit grants the attacker code execution at the privilege level of the vulnerable system component.

Affected products

  • Microsoft Windows NTFS

Timeline

  • 2026-11-10: disclosed

References

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