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Vulnerability details: VCID-hrem-hhst-97en
Vulnerability ID VCID-hrem-hhst-97en
Aliases CVE-2026-32203
Summary dotnet: .NET: Denial of Service via stack overflow
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-787 Out-of-bounds Write
CWE-20 Improper Input Validation
CWE-121 Stack-based Buffer Overflow
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-32203.json
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2026-32203
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2026-32203
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2026-32203
epss 0.00118 https://api.first.org/data/v1/epss?cve=CVE-2026-32203
epss 0.00139 https://api.first.org/data/v1/epss?cve=CVE-2026-32203
epss 0.00139 https://api.first.org/data/v1/epss?cve=CVE-2026-32203
cvssv3.1 7.5 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32203
ssvc Track https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32203
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-32203.json
https://api.first.org/data/v1/epss?cve=CVE-2026-32203
2457740 https://bugzilla.redhat.com/show_bug.cgi?id=2457740
CVE-2026-32203 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32203
RHSA-2026:8467 https://access.redhat.com/errata/RHSA-2026:8467
RHSA-2026:8468 https://access.redhat.com/errata/RHSA-2026:8468
RHSA-2026:8469 https://access.redhat.com/errata/RHSA-2026:8469
RHSA-2026:8470 https://access.redhat.com/errata/RHSA-2026:8470
RHSA-2026:8471 https://access.redhat.com/errata/RHSA-2026:8471
RHSA-2026:8472 https://access.redhat.com/errata/RHSA-2026:8472
RHSA-2026:8473 https://access.redhat.com/errata/RHSA-2026:8473
RHSA-2026:8474 https://access.redhat.com/errata/RHSA-2026:8474
RHSA-2026:8475 https://access.redhat.com/errata/RHSA-2026:8475
RHSA-2026:9077 https://access.redhat.com/errata/RHSA-2026:9077
RHSA-2026:9080 https://access.redhat.com/errata/RHSA-2026:9080
RHSA-2026:9205 https://access.redhat.com/errata/RHSA-2026:9205
USN-8176-1 https://usn.ubuntu.com/8176-1/
USN-8216-1 https://usn.ubuntu.com/8216-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-32203.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C Found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32203
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-15T10:41:37Z/ Found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32203
Exploit Prediction Scoring System (EPSS)
Percentile 0.30702
EPSS Score 0.00118
Published At April 21, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-16T13:37:06.142931+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-32203.json 38.4.0