CVE-2026-105534: Windows Storage heap buffer overflow remote code execution

CVE-2026-105534 · Severity: high · CVSS 8.8 · Published 2026-11-10

Windows Storage, a core Windows component that manages file and disk operations, contains a heap buffer overflow vulnerability that allows an attacker to execute arbitrary code on a system over the network without authentication. An exploit could give an attacker full control of the affected computer and access to all stored data.

Technologies: Microsoft Windows Storage. Vendors: Microsoft.

Quick answers

Is CVE-2026-105534 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-105534 being exploited in the wild.
How severe is CVE-2026-105534?
High severity, with a CVSS score of 8.8, published 10 November 2026.
Which products and versions are affected?
Microsoft Windows Storage.
Is there a fix for CVE-2026-105534?
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-2026-105534 attacked?
It is attacked over the network.
Am I affected by CVE-2026-105534?
Check whether you run Microsoft Windows Storage. 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

A heap-based buffer overflow exists in Windows Storage that can be triggered remotely without authentication, enabling arbitrary code execution. The vulnerability is reachable over the network and has not yet been observed in active exploitation in the wild as of the advisory date.

Affected products

  • Microsoft Windows Storage

Timeline

  • 2026-11-10: disclosed

References

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