Vulnerability Description
Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .Net | >= 10.0.0, < 10.0.6 |
| Apple | Macos | - |
| Linux | Linux Kernel | - |
| Microsoft | Windows | - |
| Microsoft | Visual Studio 2022 | >= 17.12.0, < 17.12.19 |
| Microsoft | Visual Studio 2026 | >= 18.4.0, < 18.4.4 |
Related Weaknesses (CWE)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32203Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:13280
- https://access.redhat.com/errata/RHSA-2026:13281
- https://access.redhat.com/errata/RHSA-2026:13282
- https://access.redhat.com/errata/RHSA-2026:13283
- https://access.redhat.com/errata/RHSA-2026:13693
- https://access.redhat.com/errata/RHSA-2026:8467
- https://access.redhat.com/errata/RHSA-2026:8468
- https://access.redhat.com/errata/RHSA-2026:8469
- https://access.redhat.com/errata/RHSA-2026:8470
- https://access.redhat.com/errata/RHSA-2026:8471
- https://access.redhat.com/errata/RHSA-2026:8472
- https://access.redhat.com/errata/RHSA-2026:8473
- https://access.redhat.com/errata/RHSA-2026:8474
- https://access.redhat.com/errata/RHSA-2026:8475
FAQ
What is CVE-2026-32203?
CVE-2026-32203 is a vulnerability with a CVSS score of 7.5 (HIGH). Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.
How severe is CVE-2026-32203?
CVE-2026-32203 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-32203?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft .Net, Apple Macos, Linux Linux Kernel, Microsoft Windows, Microsoft Visual Studio 2022.