CVE-2026-32076: CWE-125: Out-of-bounds Read in Microsoft Windows 11 version 22H3
Out-of-bounds read in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-32076 and classified under CWE-125 (Out-of-bounds Read), affects Windows 11 version 22H3 (build 10.0.22631.0). It involves an out-of-bounds read in the Windows Storage Spaces Controller component, which can be exploited by an authorized local attacker to gain elevated privileges. The CVSS v3.1 base score is 7.8, indicating high severity, with impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker could exploit this out-of-bounds read vulnerability to elevate their privileges on the affected system. This could lead to full control over the system, impacting confidentiality, integrity, and availability of data and system resources.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft for Windows 11 version 22H3 (build 10.0.22631.0) as soon as possible to remediate this issue.
CVE-2026-32076: CWE-125: Out-of-bounds Read in Microsoft Windows 11 version 22H3
Description
Out-of-bounds read in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Microsoft
Windows 11 version 22H3
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2022, 23H2 Edition (Server Core installation)
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-32076 and classified under CWE-125 (Out-of-bounds Read), affects Windows 11 version 22H3 (build 10.0.22631.0). It involves an out-of-bounds read in the Windows Storage Spaces Controller component, which can be exploited by an authorized local attacker to gain elevated privileges. The CVSS v3.1 base score is 7.8, indicating high severity, with impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker could exploit this out-of-bounds read vulnerability to elevate their privileges on the affected system. This could lead to full control over the system, impacting confidentiality, integrity, and availability of data and system resources.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft for Windows 11 version 22H3 (build 10.0.22631.0) as soon as possible to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-10T22:02:18.666Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32076","vendor":"Microsoft"}]
Threat ID: 69de7a2782d89c981fd6ba71
Added to database: 04/14/2026, 17:32:23 UTC
Last enriched: 08/15/2026, 14:00:33 UTC
Last updated: 09/12/2026, 10:01:30 UTC
Views: 167
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