CVE-2026-32178
High
Description
Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Microsoft .net
PublishedApr 14, 2026
First seenApr 14, 2026
Weakness typeCWE-138CWE-138
How to fix
Update
- microsoft .net10.0.6, 8.0.26, 9.0.15 or later
- microsoft visual_studio_202217.12.19, 17.14.30 or later
- Microsoft.NetCore.App.Runtime.linux-arm10.0.6, 9.0.15, 8.0.26 or later
- Microsoft.NetCore.App.Runtime.linux-musl-arm10.0.6, 9.0.15, 8.0.26 or later
- Microsoft.NetCore.App.Runtime.linux-arm6410.0.6, 9.0.15, 8.0.26 or later
- Microsoft.NetCore.App.Runtime.linux-musl-x6410.0.6, 9.0.15, 8.0.26 or later
- Microsoft.NetCore.App.Runtime.linux-musl-arm6410.0.6, 9.0.15, 8.0.26 or later
- Microsoft.NetCore.App.Runtime.linux-x6410.0.6, 9.0.15, 8.0.26 or later
- Microsoft.NetCore.App.Runtime.osx-arm6410.0.6, 9.0.15, 8.0.26 or later
- Microsoft.NetCore.App.Runtime.osx-x6410.0.6, 9.0.15, 8.0.26 or later
- Microsoft.NetCore.App.Runtime.win-arm10.0.6, 9.0.15, 8.0.26 or later
- Microsoft.NetCore.App.Runtime.win-arm6410.0.6, 9.0.15, 8.0.26 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2026:13281
- access.redhat.com/errata/RHSA-2026:13280
- access.redhat.com/errata/RHSA-2026:8467
- access.redhat.com/errata/RHSA-2026:8470
- access.redhat.com/errata/RHSA-2026:8472
- access.redhat.com/errata/RHSA-2026:8473
- access.redhat.com/errata/RHSA-2026:8468
- access.redhat.com/errata/RHSA-2026:8475
- access.redhat.com/errata/RHSA-2026:13693
- access.redhat.com/errata/RHSA-2026:13283
- access.redhat.com/errata/RHSA-2026:13282
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft .net | 10.0.0 ≤ v < 10.0.6, 8.0.0 ≤ v < 8.0.26, 9.0.0 ≤ v < 9.0.15 | 10.0.6, 8.0.26, 9.0.15 |
| microsoft visual_studio_2022 | 17.12.0 ≤ v < 17.12.19, 17.14.0 ≤ v < 17.14.30 | 17.12.19, 17.14.30 |
| Microsoft.NetCore.App.Runtime.linux-armNuGet | 10.0.0 ≤ v < 10.0.6, 9.0.0 ≤ v < 9.0.15, 8.0.0 ≤ v < 8.0.26 | 10.0.6, 9.0.15, 8.0.26 |
| Microsoft.NetCore.App.Runtime.linux-musl-armNuGet | 10.0.0 ≤ v < 10.0.6, 9.0.0 ≤ v < 9.0.15, 8.0.0 ≤ v < 8.0.26 | 10.0.6, 9.0.15, 8.0.26 |
| Microsoft.NetCore.App.Runtime.linux-arm64NuGet | 10.0.0 ≤ v < 10.0.6, 9.0.0 ≤ v < 9.0.15, 8.0.0 ≤ v < 8.0.26 | 10.0.6, 9.0.15, 8.0.26 |
| Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet | 10.0.0 ≤ v < 10.0.6, 9.0.0 ≤ v < 9.0.15, 8.0.0 ≤ v < 8.0.26 | 10.0.6, 9.0.15, 8.0.26 |
| Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet | 10.0.0 ≤ v < 10.0.6, 9.0.0 ≤ v < 9.0.15, 8.0.0 ≤ v < 8.0.26 | 10.0.6, 9.0.15, 8.0.26 |
| Microsoft.NetCore.App.Runtime.linux-x64NuGet | 10.0.0 ≤ v < 10.0.6, 9.0.0 ≤ v < 9.0.15, 8.0.0 ≤ v < 8.0.26 | 10.0.6, 9.0.15, 8.0.26 |
| Microsoft.NetCore.App.Runtime.osx-arm64NuGet | 10.0.0 ≤ v < 10.0.6, 9.0.0 ≤ v < 9.0.15, 8.0.0 ≤ v < 8.0.26 | 10.0.6, 9.0.15, 8.0.26 |
| Microsoft.NetCore.App.Runtime.osx-x64NuGet | 10.0.0 ≤ v < 10.0.6, 9.0.0 ≤ v < 9.0.15, 8.0.0 ≤ v < 8.0.26 | 10.0.6, 9.0.15, 8.0.26 |
| Microsoft.NetCore.App.Runtime.win-armNuGet | 10.0.0 ≤ v < 10.0.6, 9.0.0 ≤ v < 9.0.15, 8.0.0 ≤ v < 8.0.26 | 10.0.6, 9.0.15, 8.0.26 |
| Microsoft.NetCore.App.Runtime.win-arm64NuGet | 10.0.0 ≤ v < 10.0.6, 9.0.0 ≤ v < 9.0.15, 8.0.0 ≤ v < 8.0.26 | 10.0.6, 9.0.15, 8.0.26 |
| Microsoft.NetCore.App.Runtime.win-x64NuGet | 10.0.0 ≤ v < 10.0.6, 9.0.0 ≤ v < 9.0.15, 8.0.0 ≤ v < 8.0.26 | 10.0.6, 9.0.15, 8.0.26 |
| Microsoft.NetCore.App.Runtime.win-x86NuGet | 10.0.0 ≤ v < 10.0.6, 9.0.0 ≤ v < 9.0.15, 8.0.0 ≤ v < 8.0.26 | 10.0.6, 9.0.15, 8.0.26 |
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