Description
Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose information over a network.
Published: 2026-04-14
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Information Disclosure
Action: Immediate Patch
AI Analysis

Impact

The Windows Shell information disclosure vulnerability permits an attacker with authorized access on a system to reveal sensitive data over the network, constituting a confidentiality breach (CWE-200).

Affected Systems

Affected products include Microsoft Windows 10 versions 1607, 1809, 21H2, and 22H2; Microsoft Windows 11 versions 23H2, 24H2, 25H2, 22H3, and 26H1; and Microsoft Windows Server editions 2012, 2012 Server Core, 2012 R2, 2012 R2 Server Core, 2016, 2016 Server Core, 2019, 2019 Server Core, 2022, 23H2 Edition Server Core, 2025, and 2025 Server Core.

Risk and Exploitability

The CVSS score of 6.5 indicates a moderate severity; EPSS data are unavailable and the vulnerability is not listed in the KEV catalog, implying a limited likelihood of widescale exploitation. The attacker must first possess authorized user privileges on the machine but can forward the disclosed information to external systems, thereby exposing the system’s secret data to remote adversaries.

Generated by OpenCVE AI on April 14, 2026 at 19:02 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Install the Microsoft security update that addresses CVE‑2026‑32151 as detailed in the Microsoft Security Advisory.
  • Verify that all affected Windows 10, Windows 11, and Windows Server machines have received the patch.
  • If the update is not immediately available, limit network exposure of the Windows Shell or restrict local user privileges as a temporary safeguard.
  • Continue monitoring Microsoft’s security update channel for the final resolution of the vulnerability.

Generated by OpenCVE AI on April 14, 2026 at 19:02 UTC.

Tracking

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Advisories

No advisories yet.

History

Wed, 15 Apr 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 22h3
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2012 (server Core Installation)
Microsoft windows Server 2012 R2
Microsoft windows Server 2012 R2 (server Core Installation)
Microsoft windows Server 2016 (server Core Installation)
Microsoft windows Server 2019 (server Core Installation)
Microsoft windows Server 2022, 23h2 Edition (server Core Installation)
Microsoft windows Server 2025 (server Core Installation)
Vendors & Products Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 22h3
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2012 (server Core Installation)
Microsoft windows Server 2012 R2
Microsoft windows Server 2012 R2 (server Core Installation)
Microsoft windows Server 2016 (server Core Installation)
Microsoft windows Server 2019 (server Core Installation)
Microsoft windows Server 2022, 23h2 Edition (server Core Installation)
Microsoft windows Server 2025 (server Core Installation)

Tue, 14 Apr 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 14 Apr 2026 17:30:00 +0000

Type Values Removed Values Added
Description Exposure of sensitive information to an unauthorized actor in Windows Shell allows an authorized attacker to disclose information over a network.
Title Windows Shell Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft windows 10 1607
Microsoft windows 10 1809
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2012
Microsoft windows Server 2012 R2
Microsoft windows Server 2016
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2025
Microsoft windows Server 23h2
Weaknesses CWE-200
CPEs cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_23h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 10 1607
Microsoft windows 10 1809
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows Server 2012
Microsoft windows Server 2012 R2
Microsoft windows Server 2016
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2025
Microsoft windows Server 23h2
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}

Subscriptions

Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 Windows 10 21h2 Windows 10 22h2 Windows 10 22h2 Windows 11 22h3 Windows 11 23h2 Windows 11 23h2 Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 Windows 11 25h2 Windows 11 26h1 Windows 11 26h1 Windows Server 2012 Windows Server 2012 (server Core Installation) Windows Server 2012 R2 Windows Server 2012 R2 Windows Server 2012 R2 (server Core Installation) Windows Server 2016 Windows Server 2016 (server Core Installation) Windows Server 2019 Windows Server 2019 (server Core Installation) Windows Server 2022 Windows Server 2022, 23h2 Edition (server Core Installation) Windows Server 2025 Windows Server 2025 (server Core Installation) Windows Server 23h2
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-04-17T16:13:16.813Z

Reserved: 2026-03-10T23:09:43.264Z

Link: CVE-2026-32151

cve-icon Vulnrichment

Updated: 2026-04-14T19:03:33.593Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-14T18:17:15.373

Modified: 2026-04-17T15:10:35.607

Link: CVE-2026-32151

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-15T15:15:06Z

Weaknesses