CVE-2026-32203

Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-26)

CWEs

CWE-20, CWE-121, CWE-787

Published

2026-04-14

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• microsoft:.net
• microsoft:visual_studio_2022
• microsoft:visual_studio_2026

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32203
• 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

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