CVE-2026-88092

Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to perform tampering over a network.

CVSS v3 9.4 CRITICAL

9.4^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88092	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:asp.net_core::::::::
	cpe:2.3:a:microsoft:asp.net_core::::::::
	cpe:2.3:a:microsoft:asp.net_core::::::::
	cpe:2.3:a:microsoft:asp.net_core::::::::
	cpe:2.3:a:microsoft:asp.net_core:11.0:rc1::::::
	cpe:2.3:a:microsoft:visual_studio_2022::::::::
	cpe:2.3:a:microsoft:visual_studio_2026::::::::

History

16 Oct 2026, 15:47

Type	Values Removed	Values Added
First Time		Microsoft visual Studio 2022 Microsoft asp.net Core Microsoft Microsoft visual Studio 2026
CPE		cpe:2.3:a:microsoft:asp.net_core:::::::: cpe:2.3:a:microsoft:asp.net_core:11.0:rc1:::::: cpe:2.3:a:microsoft:visual_studio_2022:::::::: cpe:2.3:a:microsoft:visual_studio_2026::::::::
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88092 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88092 - 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 15:47

NVD link : CVE-2026-88092

Mitre link : CVE-2026-88092

CVE.ORG link : CVE-2026-88092

JSON object : View

Products Affected

microsoft

asp.net_core
visual_studio_2022
visual_studio_2026

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

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