CVE-2025-49724: Windows Connected Devices Platform Service Remote Code Execution Vulnerability

CVE-2025-49724 is a remote code execution vulnerability in Windows Connected Devices Platform Service, rated Important by Microsoft, with a CVSS 3.1 base score of 8.8 (High). An attacker can exploit it remotely over the network, without any privileges and only if a user takes an action. Microsoft has not reported exploitation in the wild and rates exploitation as more likely. The EPSS model estimates a 9.81% probability of exploitation activity in the next 30 days, higher than 96% of all scored vulnerabilities. Microsoft released the fix on 8 July 2025 in the July 2025 Patch Tuesday, delivered through 6 security updates (KB5062557, KB5062572, KB5062554, KB5062552 and more). It affects 21 products in 2 product families (Windows, ESU).

Key facts

CVE ID: CVE-2025-49724
Severity: High CVSS 8.8
Microsoft severity: Important
Impact: Remote Code Execution
Exploited in the wild: No
Publicly disclosed: No
Exploitation likelihood: More Likely
Weakness: CWE-416
EPSS: 9.81% (percentile 96%)
CISA KEV: Not listed
Released: 8 July 2025
Last updated: 8 July 2025
Patch Tuesday: July 2025 Patch Tuesday
Product families: Windows, ESU

CVSS score and vector

Microsoft scores CVE-2025-49724 at 8.8 (temporal 7.7) using CVSS 3.1. Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Metric	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High
Exploit code maturity	Unproven
Remediation level	Official fix
Report confidence	Confirmed

Description

Use after free in Windows Connected Devices Platform Service allows an unauthorized attacker to execute code over a network.

Frequently asked questions (Microsoft)

How could an attacker exploit this vulnerability?

To exploit this vulnerability, a remote unauthenticated attacker would need to send specially crafted traffic to a system with the "Nearby Sharing" feature enabled and to convince a user to take specific actions.

Mitigations and workarounds

The following mitigating factors might be helpful in your situation:

There is a feature in Windows 10 and 11 called Nearby Sharing. This feature is not enabled by default. To protect from this vulnerability, you should disable the Nearby Sharing feature if it is not already.

See Share things with nearby devices in Windows for more information.

Affected products (21)

Windows

Product	Security update	Type	Fixed build	Restart
Windows 10 Version 1809 for 32-bit Systems	KB5062557	Security Update	10.0.17763.7558	Yes
Windows 10 Version 1809 for x64-based Systems	KB5062557	Security Update	10.0.17763.7558	Yes
Windows Server 2019	KB5062557	Security Update	10.0.17763.7558	Yes
Windows Server 2019 (Server Core installation)	KB5062557	Security Update	10.0.17763.7558	Yes
Windows Server 2022	KB5062572	Security Update	10.0.20348.3932	Yes
Windows Server 2022 (Server Core installation)	KB5062572	Security Update	10.0.20348.3932	Yes
Windows 10 Version 21H2 for 32-bit Systems	KB5062554	Security Update	10.0.19044.6093	Yes
Windows 10 Version 21H2 for ARM64-based Systems	KB5062554	Security Update	10.0.19044.6093	Yes
Windows 10 Version 21H2 for x64-based Systems	KB5062554	Security Update	10.0.19044.6093	Yes
Windows Server 2025 (Server Core installation)	KB5062553	Security Update	10.0.26100.4652	Yes
Windows 11 Version 23H2 for ARM64-based Systems
Windows 11 Version 23H2 for x64-based Systems
Windows Server 2022, 23H2 Edition (Server Core installation)	KB5062570	Security Update	10.0.25398.1732	Yes
Windows 11 Version 24H2 for ARM64-based Systems	KB5062553	Security Update	10.0.26100.4652	Yes
Windows 11 Version 24H2 for x64-based Systems	KB5062553	Security Update	10.0.26100.4652	Yes
Windows Server 2025	KB5062553	Security Update	10.0.26100.4652	Yes

ESU

Product	Security update	Type	Fixed build	Restart
Windows 11 Version 22H2 for ARM64-based Systems	KB5062552	Security Update	10.0.22621.5624	Yes
Windows 11 Version 22H2 for x64-based Systems	KB5062552	Security Update	10.0.22621.5624	Yes
Windows 10 Version 22H2 for x64-based Systems
Windows 10 Version 22H2 for ARM64-based Systems
Windows 10 Version 22H2 for 32-bit Systems

Security updates (6)

KB5062557 (Security Update)
KB5062572 (Security Update)
KB5062554 (Security Update)
KB5062552 (Security Update)
KB5062553 (Security Update)
KB5062570 (Security Update)

NIST NVD data

NVD status: Analyzed
NVD CVSS: 8.8 (HIGH)
NVD weakness: CWE-416
Published to NVD: 8 July 2025
NVD last modified: 16 July 2025

Affected configurations (CPE)

Product	Vulnerable versions
windows 10 1809 (x64)	before 10.0.17763.7558
windows 10 1809 (x86)	before 10.0.17763.7558
windows 10 21h2	before 10.0.19044.6093
windows 10 22h2	before 10.0.19045.6093
windows 11 22h2	before 10.0.22621.5624
windows 11 23h2	before 10.0.22631.5624
windows 11 24h2	before 10.0.26100.4652
windows server 2019	before 10.0.17763.7558
windows server 2022	before 10.0.20348.3932
windows server 2022 23h2	before 10.0.25398.1732
windows server 2025	before 10.0.26100.4652

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49724 (Vendor Advisory)

Acknowledgments

Revision history

Version	Date	Description
1.0	8 July 2025	Information published.