CVE-2026-47300

Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

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-2026-47300	Patch Vendor Advisory

Configurations

Configuration 1 (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 2 (hide)

AND

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

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

Configuration 3 (hide)

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

History

No history.

Information

Published : 2026-07-14 19:17

Updated : 2026-07-22 21:17

NVD link : CVE-2026-47300

Mitre link : CVE-2026-47300

CVE.ORG link : CVE-2026-47300

JSON object : View

Products Affected

microsoft

windows
visual_studio_2022
visual_studio_2026
.net

linux

linux_kernel

apple

macos

CWE

CWE-303

Incorrect Implementation of Authentication Algorithm

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