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CVE-2026-47303

HIGH

8.8

CVSS 3.1

Metadata

CVE ID: CVE-2026-47303
State: PUBLISHED
Assigner: microsoft
Reserved: 2026-05-18 23:53 UTC
Published: 2026-07-14 18:45 UTC
Last updated: 2026-07-15 22:22 UTC
Primary CWE: CWE-302
CWE-302: Authentication Bypass by Assumed-Immutable Data
Vendor / Product: Microsoft / .NET 10.0
Sources: cve.org · NVD

Severity & Metrics

8.8 HIGH CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (6)

Vendor	Product	Platform	Versions
Microsoft	.NET 10.0	—	10.0.0 < 10.0.6
Microsoft	.NET 8.0	—	8.0.0 < 8.0.29
Microsoft	.NET 9.0	—	9.0.0 < 9.0.18
Microsoft	Microsoft Visual Studio 2022 version 17.12	—	17.12.0 < 17.12.22
Microsoft	Microsoft Visual Studio 2022 version 17.14	—	17.14.0 < 17.14.36
Microsoft	Microsoft Visual Studio 2026 version 18.7	—	18.0 < 18.7.4

Weakness (CWE)

CWE	Source	Description
CWE-302	cna	CWE-302: Authentication Bypass by Assumed-Immutable Data
CWE-863	cna	CWE-863: Incorrect Authorization
CWE-90	cna	CWE-90: Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')

CVSS scores (1)

Score	Severity	Version	Source	Vector
8.8	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References (1)

ASP.NET Core Elevation of Privilege Vulnerability https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47303

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