Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
How could an attacker exploit this vulnerability?
To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then trigger an event that could exploit the vulnerability and save an invalid state to a database or trigger other unintended actions.
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
According to the CVSS metric, user interaction is required (UI:R) and privileges required is Low (PR:L). What does that mean for this vulnerability?
Exploitation of the vulnerability requires an attack vector involving both attacker authentication (to modify the DLL) and user interaction (to initiate the Link-to-Phone feature installation and enable the 'Use as a connected camera' option).
Security updates
10.0.22621.5039 — https://support.microsoft.com/help/5053602
10.0.26100.3476 — https://support.microsoft.com/help/5053598
10.0.26100.3403 — https://support.microsoft.com/help/5053636
Vulnerabilities 1
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High 7.3
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Improper access control in Windows Cross Device Service allows an authorized attacker to elevate privileges locally.
Revision history
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#1
Information published.
References
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CVE-2025-24994 Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24994
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss