PT-2026-40187 · Microsoft+1 · .Net Framework+1

Ky0Tofu · CVE-2026-35433 · Published 2026-05-12 · Updated 2026-06-22

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

Name of the Vulnerable Software and Affected Versions .NET (affected versions not specified)

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

Fix

DoS

LPE

Integer Overflow

RCE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-190

CWE-20

CWE-122

Related Identifiers

BDU:2026-06599

BIT-DOTNET-2026-35433

BIT-DOTNET-SDK-2026-35433

CVE-2026-35433

GHSA-8X9C-MQXV-Q2PP

Affected Products

.Net Framework

Red Os

References · 34

• https://nvd.nist.gov/vuln/detail/CVE-2026-35433 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-35433 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-35433 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-dotnet-sdk-2026-35433 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-35433 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-35433 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2026-35433 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-dotnet-2026-35433 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-35433 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-06599 · Security Note
• https://osv.dev/vulnerability/GHSA-8x9c-mqxv-q2pp · Vendor Advisory
• https://github.com/dotnet/wpf · Note
• https://github.com/dotnet/wpf/security/advisories/GHSA-8x9c-mqxv-q2pp · Note
• https://github.com/dotnet/announcements/issues/398 · Note