CVE-2025-49666

Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.

CVSS v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49666	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	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_2022_23h2::::::::
	cpe:2.3:o:microsoft:windows_server_2025::::::::

History

15 Jul 2025, 16:27

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-07-08 17:15

Updated : 2025-07-15 16:27

NVD link : CVE-2025-49666

Mitre link : CVE-2025-49666

CVE.ORG link : CVE-2025-49666

JSON object : View

Products Affected

microsoft

windows_server_2016
windows_server_2022
windows_server_2019
windows_server_2025
windows_server_2022_23h2

CWE

CWE-122

Heap-based Buffer Overflow

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