CVE-2026-100225: Windows Storage heap buffer overflow privilege escalation

CVE-2026-100225 · Severity: high · CVSS 7 · Published 2026-10-13

Windows Storage, a core component of the Windows operating system that manages file and data storage operations, contains a heap buffer overflow vulnerability. An attacker with local access and appropriate permissions could exploit this flaw to elevate their privileges on an affected system, potentially gaining full administrative control.

Technologies: Microsoft Windows Storage. Vendors: Microsoft.

Quick answers

Is CVE-2026-100225 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-100225 being exploited in the wild.
How severe is CVE-2026-100225?
High severity, with a CVSS score of 7, published 13 October 2026.
Which products and versions are affected?
Microsoft Windows Storage.
Is there a fix for CVE-2026-100225?
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-2026-100225 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2026-100225?
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 buffer overflow exists in the Windows Storage component, reachable by an authenticated local attacker. The vulnerability allows memory corruption that can be leveraged to escalate privileges to a higher privilege level. Exploitation requires local access and authenticated credentials on the target system.

Affected products

  • Microsoft Windows Storage

Timeline

  • 2026-10-13: disclosed

References

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