Vulnerability · Published Apr 14, 2026 · Assigned by microsoft

CVE-2026-32076Windows Storage Spaces Controller Elevation of Privilege Vulnerability

High 7.8

In plain English

A high-severity out-of-bounds read in Windows 11 version 23H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 82.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Out-of-bounds read in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 11 version 23H2 10.0.22631.0 – before 10.0.22631.6936
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.6936
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.8246
Microsoft Windows 11 Version 25H2 10.0.26200.0 – before 10.0.26200.8246
Microsoft Windows 11 version 26H1 10.0.28000.0 – before 10.0.28000.1836
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.2274
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.32690
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.32690

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References