CVE-2026-96248

Stack-based buffer overflow in Windows Host Guardian Service allows an unauthorized attacker to deny service over a network.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96248	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_10_1607:::::::x64:*
	cpe:2.3:o:microsoft:windows_10_1607:::::::x86:*
	cpe:2.3:o:microsoft:windows_10_1809:::::::x64:*
	cpe:2.3:o:microsoft:windows_10_1809:::::::x86:*
	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_2025:::::::x64:*

History

16 Oct 2026, 16:08

Type	Values Removed	Values Added
First Time		Microsoft windows 10 1607 Microsoft windows 10 1809 Microsoft Microsoft windows Server 2022 Microsoft windows Server 2019 Microsoft windows Server 2025 Microsoft windows Server 2016
CPE		cpe:2.3:o:microsoft:windows_server_2022:::::::: cpe:2.3:o:microsoft:windows_10_1607:::::::x86:* cpe:2.3:o:microsoft:windows_server_2016:::::::: cpe:2.3:o:microsoft:windows_10_1809:::::::x64:* cpe:2.3:o:microsoft:windows_server_2019:::::::: cpe:2.3:o:microsoft:windows_server_2025:::::::x64:* cpe:2.3:o:microsoft:windows_10_1607:::::::x64:* cpe:2.3:o:microsoft:windows_10_1809:::::::x86:*
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96248 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96248 - Patch, Vendor Advisory

13 Oct 2026, 19:21

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-13 19:21

Updated : 2026-10-16 16:08

NVD link : CVE-2026-96248

Mitre link : CVE-2026-96248

CVE.ORG link : CVE-2026-96248

JSON object : View

Products Affected

microsoft

windows_10_1607
windows_server_2016
windows_server_2019
windows_server_2025
windows_10_1809
windows_server_2022

CWE

CWE-121

Stack-based Buffer Overflow

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