CVE-2026-32203

high

Description

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

References

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32203.json

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

https://bugzilla.redhat.com/show_bug.cgi?id=2457740

https://access.redhat.com/security/cve/CVE-2026-32203

https://access.redhat.com/errata/RHSA-2026:9205

https://access.redhat.com/errata/RHSA-2026:9080

https://access.redhat.com/errata/RHSA-2026:9077

https://access.redhat.com/errata/RHSA-2026:8475

https://access.redhat.com/errata/RHSA-2026:8474

https://access.redhat.com/errata/RHSA-2026:8473

https://access.redhat.com/errata/RHSA-2026:8472

https://access.redhat.com/errata/RHSA-2026:8471

https://access.redhat.com/errata/RHSA-2026:8470

https://access.redhat.com/errata/RHSA-2026:8469

https://access.redhat.com/errata/RHSA-2026:8468

https://access.redhat.com/errata/RHSA-2026:8467

https://access.redhat.com/errata/RHSA-2026:13693

https://access.redhat.com/errata/RHSA-2026:13283

https://access.redhat.com/errata/RHSA-2026:13282

https://access.redhat.com/errata/RHSA-2026:13281

https://access.redhat.com/errata/RHSA-2026:13280

Details

Source: Mitre, NVD

Published: 2026-04-14

Updated: 2026-06-30

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00139