CVE-2026-102869 HIGH

CVE-2026-102869: .NET and Visual Studio Elevation of Privilege Vulnerability

Vendor Microsoft
Product Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2
Weakness CWE-843
Published October 13, 2026
Last update October 23, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Access of resource using incompatible type ('type confusion') in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.

Key dates

02Disclosure timeline

October 13, 2026 CVE published
October 23, 2026 Record updated