CVE-2023-21567: Microsoft Visual Studio 2017

Medium severity, CVSS 5.6. EPSS: 0.8% chance of exploitation in the next 30 days.

Visual Studio Denial of Service Vulnerability

Affected products

• Microsoft Visual Studio 2017: from 15.0, before 15.9.52 (fixed in 15.9.52)
• Microsoft Visual Studio 2019: from 16.0, before 16.11.24 (fixed in 16.11.24)
• Microsoft Visual Studio 2022: from 17.0, before 17.0.19 (fixed in 17.0.19); from 17.2, before 17.2.13 (fixed in 17.2.13); from 17.4, before 17.4.5 (fixed in 17.4.5)

Published 2023-02-14. Last modified 2026-08-19.