CVE-2026-62899

Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an unauthorized attacker to bypass a security feature over a network.

CVSS v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62899	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:visual_studio_2022::::::::
	cpe:2.3:a:microsoft:visual_studio_2026::::::::

Configuration 2 (hide)

AND

OR	cpe:2.3:a:microsoft:.net::::::::
	cpe:2.3:a:microsoft:.net::::::::

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:linux:linux_kernel:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

Configuration 3 (hide)

AND

cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:linux:linux_kernel:-:::::::*

History

No history.

Information

Published : 2026-08-11 17:18

Updated : 2026-08-14 13:56

NVD link : CVE-2026-62899

Mitre link : CVE-2026-62899

CVE.ORG link : CVE-2026-62899

JSON object : View

Products Affected

microsoft

windows
visual_studio_2022
visual_studio_2026
.net

linux

linux_kernel

apple

macos

CWE

CWE-444

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

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