CVE-2025-55240 HIGH

CVE-2025-55240: Visual Studio Elevation of Privilege Vulnerability

Vendor Microsoft
Product Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
Weakness CWE-284
Published October 14, 2025
Last update February 26, 2026

CVSS base score

7.3/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper access control in Visual Studio allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

October 14, 2025 CVE published
February 26, 2026 Record updated