# CVE-2026-32225: Microsoft Windows Shell protection mechanism failure

Source: https://junglewise.ai/threats/cve-2026-32225-microsoft-windows-shell-protection-mechanism-failure  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-14. Updated: 2026-07-25  
License: CC BY 4.0 with a link back

CVE-2026-32225 · Severity: high · CVSS 8.8 · Published 2026-04-14

A security bypass vulnerability exists in the Windows Shell, the component responsible for the desktop user interface and file management. An attacker could exploit this over a network to bypass built-in security protections, potentially leading to unauthorized access or the execution of malicious actions. Successful exploitation requires a user to interact with a malicious file or link, which could result in a full compromise of the affected system.

Technologies: [Microsoft Windows 11](https://junglewise.ai/threats/technologies/windows-11), [Microsoft Windows 10](https://junglewise.ai/threats/technologies/windows-10), [Microsoft Windows Server 2012](https://junglewise.ai/threats/technologies/windows-server-2012). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-32225 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-32225 being exploited in the wild.

**How severe is CVE-2026-32225?** High severity, with a CVSS score of 8.8, published 14 April 2026.

**Which products and versions are affected?** Microsoft Windows 11 22H3, 23H2, 24H2, 25H2, 26H1; Microsoft Windows 10 1607, 1809, 21H2, 22H2; Microsoft Windows Server 2012 R2 and Base.

**Is there a fix for CVE-2026-32225?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-32225 attacked?** It is attacked over the network, in an operating system.

**Am I affected by CVE-2026-32225?** Check whether you run Microsoft Windows 11, Microsoft Windows 10 or Microsoft Windows Server 2012 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A protection mechanism failure (CWE-693) exists in the Windows Shell component across multiple versions of Windows and Windows Server. The vulnerability is reachable over the network and is triggered when a user interacts with a malicious resource (UI:R). According to the CVSS vector, the exploit can lead to a total loss of confidentiality, integrity, and availability (C:H/I:H/A:H). Microsoft has released security updates to address this issue; administrators should apply the latest cumulative updates for their respective Windows versions.

## Affected products

- Microsoft Windows 10 1607, 1809, 21H2, 22H2
- Microsoft Windows 11 22H3, 23H2, 24H2, 25H2, 26H1
- Microsoft Windows Server 2012 R2 and Base

## Timeline

- 2026-04-14: disclosed
- 2026-04-14: advisory: Microsoft released the security update guide for this vulnerability.

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32225](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32225)

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