Buffer overflow in Apple macOS
CVE-2026-32203
Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.016 (72.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apple Macos
- Linux Linux_kernel
- Microsoft Visual Studio 2022 Version 17.12 — versions 17.12.0
- Microsoft Visual Studio 2022 Version 17.14 — versions 17.14.0
- Microsoft Visual Studio 2026 Version 18.4 — versions 18.4.0
- Microsoft .Net
- Microsoft .Net 10.0 — versions 10.0.0
- Microsoft .Net 8.0 — versions 8.0.0
- Microsoft .Net 9.0 — versions 9.0.0
- Microsoft Visual_studio_2022
Weakness classification (CWE)
References
- .NET and Visual Studio Denial of Service Vulnerability (vendor-advisory, patch, Vendor Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-32203?
- CVE-2026-32203 is a high-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-04-14.
- How severe is CVE-2026-32203?
- High severity. CVSS v3 base score is 7.5 out of 10.