CVE-2026-42899

Loop with unreachable exit condition ('infinite loop') in ASP.NET Core 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-2026-42899	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

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

History

13 May 2026, 18:39

Type	Values Removed	Values Added
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42899 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42899 - Vendor Advisory
CPE		cpe:2.3:o:linux:linux_kernel:-:::::::* cpe:2.3:a:microsoft:.net:::::::: cpe:2.3:o:apple:macos:-:::::::* cpe:2.3:o:microsoft:windows:-:::::::*
First Time		Microsoft Linux linux Kernel Microsoft .net Apple Apple macos Microsoft windows Linux

12 May 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-12 18:17

Updated : 2026-05-13 18:39

NVD link : CVE-2026-42899

Mitre link : CVE-2026-42899

CVE.ORG link : CVE-2026-42899

JSON object : View

Products Affected

microsoft

.net
windows

apple

macos

linux

linux_kernel

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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