Buffer overflow in Microsoft Visual Studio 2015 Update 3
CVE-2025-21178
Visual Studio Remote Code Execution Vulnerability
Vulnerability class: Buffer Overflow
EPSS: 0.004 (58.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). 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.
Affected products
- Microsoft Visual Studio 2015 Update 3 — versions 14.0.0
- Microsoft Visual Studio 2017 Version 15.9 (Includes 15.0 - 15.8) — versions 15.9.0
- Microsoft Visual Studio 2019 Version 16.11 (Includes 16.0 - 16.10) — versions 16.11.0
- Microsoft Visual Studio 2022 Version 17.10 — versions 17.10.0
- Microsoft Visual Studio 2022 Version 17.12 — versions 17.12.0
- Microsoft Visual Studio 2022 Version 17.6 — versions 17.6.0
- Microsoft Visual Studio 2022 Version 17.8 — versions 17.8.0
Weakness classification (CWE)
References
- Visual Studio Remote Code Execution Vulnerability (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2025-21178?
- CVE-2025-21178 is a high-severity vulnerability in Microsoft Visual Studio 2015 Update 3, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-01-14.
- How severe is CVE-2025-21178?
- High severity. CVSS v3 base score is 8.8 out of 10.