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Vulnerability details: VCID-kq9k-t7z8-sbd8
Vulnerability ID VCID-kq9k-t7z8-sbd8
Aliases CVE-2026-32178
GHSA-vmwf-m9c5-3jvc
Summary Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-32178.json
https://api.first.org/data/v1/epss?cve=CVE-2026-32178
https://github.com/dotnet/announcements/issues/12345
https://github.com/dotnet/runtime
https://github.com/dotnet/runtime/security/advisories/GHSA-vmwf-m9c5-3jvc
https://nvd.nist.gov/vuln/detail/CVE-2026-32178
2457781 https://bugzilla.redhat.com/show_bug.cgi?id=2457781
CVE-2026-32178 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32178
GHSA-vmwf-m9c5-3jvc https://github.com/advisories/GHSA-vmwf-m9c5-3jvc
RHSA-2026:13280 https://access.redhat.com/errata/RHSA-2026:13280
RHSA-2026:13281 https://access.redhat.com/errata/RHSA-2026:13281
RHSA-2026:13282 https://access.redhat.com/errata/RHSA-2026:13282
RHSA-2026:13283 https://access.redhat.com/errata/RHSA-2026:13283
RHSA-2026:13693 https://access.redhat.com/errata/RHSA-2026:13693
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:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-32178.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:N Found at https://github.com/dotnet/announcements/issues/12345
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:N Found at https://github.com/dotnet/runtime
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:N Found at https://github.com/dotnet/runtime/security/advisories/GHSA-vmwf-m9c5-3jvc
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:N Found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32178
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:H/I:N/A:N/E:U/RL:O/RC:C Found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32178
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/2026-04-15T10:40:37Z/ Found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32178
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-32178
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

Exploit Prediction Scoring System (EPSS)
Percentile 0.18281
EPSS Score 0.00057
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:49:16.560128+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/32xxx/CVE-2026-32178.json 38.6.0