High 7.5Published Apr 14, 2026

CVE-2026-32178.NET Spoofing Vulnerability

Updated under an hour ago (Oct 26, 2026, 1:00 PM ET)

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It affects Microsoft .NET 10.0 and 10 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Microsoft .NET 10.0

Exploited in the last 30 days

Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.

CVSS: 7.5 HIGH (v3.1, CNA)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
Weakness (CWE): CWE-138
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: microsoft
NVD analysis: Modified
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft .NET 10.0 microsoft:net_10.0 (from the name)	from 10.0.0 before 10.0.6	CNA record
Microsoft .NET 8.0 microsoft:net_8.0 (from the name)	from 8.0 before 8.0.26	CNA record
Microsoft .NET 9.0 microsoft:net_9.0 (from the name)	from 9.0.0 before 9.0.15	CNA record
Microsoft Microsoft Visual Studio 2022 version 17.12 microsoft:visual_studio_2022_version_17.12 (from the name)	from 17.12.0 before 17.12.19	CNA record
Microsoft Microsoft Visual Studio 2022 version 17.14 microsoft:visual_studio_2022_version_17.14 (from the name)	from 17.14.0 before 17.14.30	CNA record
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	from 0:10.0.106-1.el10_1 not affected	CISA ADP
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support redhat:enterprise_linux_eus	from 0:9.0.116-1.el10_0 not affected	CISA ADP
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support redhat:rhel_eus	from 0:8.0.126-1.el9_4 not affected	CISA ADP
Red Hat Red Hat Hardened Images redhat:hummingbird	from 10.0.106-1.hum1 not affected	CISA ADP
microsoft .net microsoft:.net	from 10.0.0 before 10.0.6; from 8.0.0 before 8.0.26; from 9.0.0 before 9.0.15	NVD
1–10 of 11

References

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32178	vendor-advisory, patch
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
1–10 of 21

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.