Remote Code Execution Vulnerability in Windows Storage Spaces Controller by Microsoft
CVE-2026-122475

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 11 Version 23h2
Windows 11 Version 23h2
Windows 11 Version 24h2
Windows 11 Version 25h2
Vendor
CVE Published:
10 November 2026

What is CVE-2026-122475?

The Windows Storage Spaces Controller is susceptible to an untrusted pointer dereference that could allow an unauthorized attacker to execute arbitrary code over a network. This vulnerability could lead to significant security risks, including unauthorized access to sensitive data and system control. Organizations using affected versions should apply the security updates promptly to mitigate potential threats.

Affected Version(s)

Windows 11 version 23H2 ARM64-based Systems 10.0.22631.0 < 10.0.22631.7711

Windows 11 Version 23H2 x64-based Systems 10.0.22631.0 < 10.0.22631.7711

Windows 11 Version 24H2 ARM64-based Systems 10.0.26100.0 < 10.0.26100.9974

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.