Sep 2026: Windows Storage Spaces Controller Elevation of Privilege Vulnerability
CVE-2026-69290 Published on September 8, 2026

Windows Storage Spaces Controller Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

Vendor Advisory NVD

Weakness Type

What is a Stack Overflow Vulnerability?

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

CVE-2026-69290 has been classified to as a Stack Overflow vulnerability or weakness.

Products Associated with CVE-2026-69290

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Microsoft Windows 10

Microsoft Windows Server 2019

Microsoft Windows Server 2022

Microsoft Windows Server 2025

Microsoft Windows 11 25h2

Microsoft Windows 11 23h2

Microsoft Windows 11 24h2

Microsoft Windows 11 26h1

Microsoft Windows Server 2016

Microsoft Windows Server 2012

Microsoft Windows Server 2012 R2

Affected Versions

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.9512 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.9245 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19044.0 and below 10.0.19044.7725 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.7725 is affected.

Microsoft Windows 11 version 23H2:

Version 10.0.22631.0 and below 10.0.22631.7582 is affected.

Microsoft Windows 11 Version 23H2:

Version 10.0.22631.0 and below 10.0.22631.7582 is affected.

Microsoft Windows 11 Version 24H2:

Version 10.0.26100.0 and below 10.0.26100.9445 is affected.

Microsoft Windows 11 Version 25H2:

Version 10.0.26200.0 and below 10.0.26200.9445 is affected.

Microsoft Windows 11 version 26H1:

Version 10.0.28000.0 and below 10.0.28000.2954 is affected.

Microsoft Windows Server 2012:

Version 6.2.9200.0 and below 6.2.9200.26349 is affected.

Microsoft Windows Server 2012 (Server Core installation):

Version 6.2.9200.0 and below 6.2.9200.26349 is affected.

Microsoft Windows Server 2012 R2:

Version 6.3.9600.0 and below 6.3.9600.23397 is affected.

Microsoft Windows Server 2012 R2 (Server Core installation):

Version 6.3.9600.0 and below 6.3.9600.23397 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.9512 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.14393.0 and below 10.0.14393.9512 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.9245 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.17763.0 and below 10.0.17763.9245 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.5622 is affected.

Microsoft Windows Server 2025:

Version 10.0.26100.0 and below 10.0.26100.33438 is affected.

Microsoft Windows Server 2025 (Server Core installation):

Version 10.0.26100.0 and below 10.0.26100.33438 is affected.

Sep 2026: Windows Storage Spaces Controller Elevation of Privilege VulnerabilityCVE-2026-69290 Published on September 8, 2026

Weakness Type

What is a Stack Overflow Vulnerability?

Products Associated with CVE-2026-69290

Affected Versions

Sep 2026: Windows Storage Spaces Controller Elevation of Privilege Vulnerability
CVE-2026-69290 Published on September 8, 2026