Overview
The CVE-2025-54111 is a critical vulnerability found in the Windows UI XAML Phone DatePickerFlyout feature. The vulnerability is a use-after-free issue that allows an authenticated attacker to escalate privileges locally. This vulnerability affects all systems running Windows with this specific UI feature and poses a significant risk to data security and system integrity.
Vulnerability Summary
CVE ID: CVE-2025-54111
Severity: High (7.8 CVSS Score)
Attack Vector: Local
Privileges Required: Low
User Interaction: Required
Impact: System compromise and potential data leakage
Affected Products
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Product | Affected Versions
Windows 10 | All versions
Windows Server 2019 | All versions
How the Exploit Works
This use-after-free vulnerability revolves around the improper management of memory when using the DatePickerFlyout feature in Windows UI XAML Phone. A malicious user first requires local access and user interaction. Once these conditions are met, they can exploit the vulnerability to execute arbitrary code with elevated privileges. This could potentially lead to a full system compromise.
Conceptual Example Code
Here’s a conceptual example of how this vulnerability might be exploited. This example doesn’t represent actual code but provides a general idea of how an attacker might take advantage of the vulnerability:
// Create an instance of DatePickerFlyout
DatePickerFlyout datePicker = new DatePickerFlyout();
// Trigger the vulnerability
datePicker.Date = DateTime.Now;
// Free the object
datePicker = null;
// Use-after-free here, datePicker is already freed but still being used
datePicker.Date = DateTime.Now;Mitigation Guidance
To mitigate this vulnerability, users are advised to apply the latest vendor patches as soon as they become available. In the interim, utilizing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. However, these measures will not remove the vulnerability but may help detect and prevent exploitation attempts.