CVE-2026-35433 - Vulnerability Details - OpenCVE

Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Microsoft	.net

No data.

No data.

References

Link	Providers
https://www.spirityenterprise.com/virtual-ciso
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433

History

Wed, 13 May 2026 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 12 May 2026 17:30:00 +0000

Type	Values Removed	Values Added
Description		Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.
Title		.NET Elevation of Privilege Vulnerability
First Time appeared		Microsoft Microsoft .net
Weaknesses		CWE-190 CWE-20
CPEs		cpe:2.3:a:microsoft:.net::::::::
Vendors & Products		Microsoft Microsoft .net
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433
Metrics		cvssV3_1 `{'score': 7.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-05-12T16:58:34.612Z

Updated: 2026-05-13T17:58:29.495Z

Reserved: 2026-04-02T19:21:11.804Z

Link: CVE-2026-35433

Vulnrichment

Updated: 2026-05-13T10:01:42.300Z

NVD

Status : Awaiting Analysis

Published: 2026-05-12T18:17:13.710

Modified: 2026-05-13T15:34:52.573

Link: CVE-2026-35433

Redhat

No data.

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