CVE-2026-32178
CVE-2026-32178 · .NET Spoofing Vulnerability
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.
CVSS 7.5 · High · EPSS 2.3% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
.net 10.0
- Versions
- ≥ 10.0.0, < 10.0.6: Affected (custom)
Update to 10.0.6
.net 8.0
- Versions
- ≥ 8.0, < 8.0.26: Affected (custom)
Update to 8.0.26
.net 8.0
- Versions
- ≥ 8.0.0, < 8.0.26: Affected (custom)
Update to 8.0.26
.net 9.0
- Versions
- ≥ 9.0.0, < 9.0.15: Affected (custom)
Update to 9.0.15
microsoft visual studio 2022 version 17.12
- Versions
- ≥ 17.12.0, < 17.12.19: Affected (custom)
Update to 17.12.19
microsoft visual studio 2022 version 17.14
- Versions
- ≥ 17.14.0, < 17.14.30: Affected (custom)
Update to 17.14.30
dotnet6 Ubuntu:22.04:LTS
- Versions
- 6.0.108-0ubuntu1~22.04.1
- 6.0.109-0ubuntu1~22.04.1
- 6.0.110-0ubuntu1~22.04.1
- 6.0.111-0ubuntu1~22.04.1
- 6.0.113-0ubuntu1~22.04.1
- 6.0.116-0ubuntu1~22.04.1
- 6.0.118-0ubuntu1~22.04.1
- 6.0.119-0ubuntu1~22.04.1
- 6.0.120-0ubuntu1~22.04.1
- 6.0.121-0ubuntu1~22.04.1
- 6.0.122-0ubuntu1~22.04.1
- 6.0.123-0ubuntu1~22.04.1
- 6.0.124-0ubuntu1~22.04.1
- 6.0.125-0ubuntu1~22.04.1
- 6.0.126-0ubuntu1~22.04.1
- 6.0.127-0ubuntu1~22.04.1
- 6.0.128-0ubuntu1~22.04.2
- 6.0.132-0ubuntu1~22.04.1
- 6.0.133-0ubuntu1~22.04.1
- 6.0.135-0ubuntu1~22.04.1
- 6.0.136-0ubuntu1~22.04.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
dotnet7 Ubuntu:22.04:LTS
- Versions
- 7.0.105-0ubuntu1~22.04.1
- 7.0.107-0ubuntu1~22.04.1
- 7.0.108-0ubuntu1~22.04.1
- 7.0.109-0ubuntu1~22.04.1
- 7.0.110-0ubuntu1~22.04.1
- 7.0.111-0ubuntu1~22.04.1
- 7.0.112-0ubuntu1~22.04.1
- 7.0.113-0ubuntu1~22.04.1
- 7.0.114-0ubuntu1~22.04.1
- 7.0.115-0ubuntu1~22.04.1
- 7.0.116-0ubuntu1~22.04.1
- 7.0.117-0ubuntu1~22.04.1
- 7.0.117-0ubuntu1~22.04.2
- 7.0.119-0ubuntu1~22.04.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
dotnet8 Ubuntu:22.04:LTS
- Versions
- 8.0.102-8.0.2-0ubuntu1~22.04.1
- 8.0.103-8.0.3-0ubuntu1~22.04.1
- 8.0.103-8.0.3-0ubuntu1~22.04.2
- 8.0.105-8.0.5-0ubuntu1~22.04.1
- 8.0.107-8.0.7-0ubuntu1~22.04.1
- 8.0.108-8.0.8-0ubuntu1~22.04.1
- 8.0.110-8.0.10-0ubuntu1~22.04.1
- 8.0.111-8.0.11-0ubuntu1~22.04.1
- 8.0.112-8.0.12-0ubuntu1~22.04.1
- 8.0.114-8.0.14-0ubuntu1~22.04.1
- 8.0.115-8.0.15-0ubuntu1~22.04.1
- 8.0.116-8.0.16-0ubuntu1~22.04.1
- 8.0.117-8.0.17-0ubuntu1~22.04.1
- 8.0.118-8.0.18-0ubuntu1~22.04.1
- 8.0.119-8.0.19-0ubuntu1~22.04.1
- 8.0.120-8.0.20-0ubuntu1~22.04.1
- 8.0.121-8.0.21-0ubuntu1~22.04.1
- 8.0.122-8.0.22-0ubuntu1~22.04.1
- 8.0.123-8.0.23-0ubuntu1~22.04.1
- 8.0.124-8.0.24-0ubuntu1~22.04.1
- 8.0.125-8.0.25-0ubuntu1~22.04.1
- Affected ranges
- ECOSYSTEM: < 8.0.126-8.0.26-0ubuntu1~22.04.1
Update to 8.0.126-8.0.26-0ubuntu1~22.04.1
dotnet10 Ubuntu:24.04:LTS
- Versions
- 10.0.100-10.0.0-0ubuntu1~24.04.1
- 10.0.101-10.0.1-0ubuntu1~24.04.2
- 10.0.103-10.0.3-0ubuntu1~24.04.1
- 10.0.104-10.0.4-0ubuntu1~24.04.1
- 10.0.105-10.0.5-0ubuntu1~24.04.1
- Affected ranges
- ECOSYSTEM: < 10.0.106-10.0.6-0ubuntu1~24.04.1
Update to 10.0.106-10.0.6-0ubuntu1~24.04.1
dotnet8 Ubuntu:24.04:LTS
- Versions
- 8.0.100-8.0.0~rc1-0ubuntu1
- 8.0.100-8.0.0~rc2-0ubuntu1
- 8.0.100-8.0.0~rc2-0ubuntu2
- 8.0.100-8.0.0-0ubuntu1
- 8.0.100-8.0.0-0ubuntu2
- 8.0.101-8.0.1-0ubuntu1
- 8.0.101-8.0.1-0ubuntu2
- 8.0.102-8.0.2-0ubuntu1
- 8.0.103-8.0.3-0ubuntu2
- 8.0.103-8.0.3-0ubuntu3
- 8.0.104-8.0.4-0ubuntu1
- 8.0.105-8.0.5-0ubuntu1~24.04.1
- 8.0.107-8.0.7-0ubuntu1~24.04.1
- 8.0.108-8.0.8-0ubuntu1~24.04.1
- 8.0.108-8.0.8-0ubuntu1~24.04.2
- 8.0.110-8.0.10-0ubuntu1~24.04.1
- 8.0.111-8.0.11-0ubuntu1~24.04.1
- 8.0.112-8.0.12-0ubuntu1~24.04.1
- 8.0.114-8.0.14-0ubuntu1~24.04.1
- 8.0.115-8.0.15-0ubuntu1~24.04.1
- 8.0.116-8.0.16-0ubuntu1~24.04.1
- 8.0.117-8.0.17-0ubuntu1~24.04.1
- 8.0.118-8.0.18-0ubuntu1~24.04.1
- 8.0.119-8.0.19-0ubuntu1~24.04.1
- 8.0.120-8.0.20-0ubuntu1~24.04.1
- 8.0.121-8.0.21-0ubuntu1~24.04.1
- 8.0.122-8.0.22-0ubuntu1~24.04.1
- 8.0.123-8.0.23-0ubuntu1~24.04.1
- 8.0.124-8.0.24-0ubuntu1~24.04.1
- 8.0.125-8.0.25-0ubuntu1~24.04.1
- Affected ranges
- ECOSYSTEM: < 8.0.126-8.0.26-0ubuntu1~24.04.1
Update to 8.0.126-8.0.26-0ubuntu1~24.04.1
dotnet10 Ubuntu:25.10
- Versions
- 10.0.100-10.0.0~rc1-0ubuntu1
- 10.0.100-10.0.0~rc2-0ubuntu1~25.10.2
- 10.0.100-10.0.0-0ubuntu1~25.10.1
- 10.0.101-10.0.1-0ubuntu1~25.10.2
- 10.0.103-10.0.3-0ubuntu1~25.10.1
- 10.0.104-10.0.4-0ubuntu1~25.10.1
- 10.0.105-10.0.5-0ubuntu1~25.10.1
- Affected ranges
- ECOSYSTEM: < 10.0.106-10.0.6-0ubuntu1~25.10.1
Update to 10.0.106-10.0.6-0ubuntu1~25.10.1
dotnet8 Ubuntu:25.10
- Versions
- 8.0.115-8.0.15-0ubuntu1
- 8.0.116-8.0.16-0ubuntu1
- 8.0.117-8.0.17-0ubuntu1
- 8.0.118-8.0.18-0ubuntu1
- 8.0.119-8.0.19-0ubuntu1
- 8.0.120-8.0.20-0ubuntu1
- 8.0.121-8.0.21-0ubuntu1~25.10.1
- 8.0.122-8.0.22-0ubuntu1~25.10.1
- 8.0.123-8.0.23-0ubuntu1~25.10.1
- 8.0.124-8.0.24-0ubuntu1~25.10.1
- 8.0.125-8.0.25-0ubuntu1~25.10.1
- Affected ranges
- ECOSYSTEM: < 8.0.126-8.0.26-0ubuntu1~25.10.1
Update to 8.0.126-8.0.26-0ubuntu1~25.10.1
dotnet9 Ubuntu:25.10
- Versions
- 9.0.105-9.0.4-0ubuntu1
- 9.0.106-9.0.5-0ubuntu1
- 9.0.107-9.0.6-0ubuntu1
- 9.0.108-9.0.7-0ubuntu1
- 9.0.109-9.0.8-0ubuntu1
- 9.0.110-9.0.9-0ubuntu1
- 9.0.111-9.0.10-0ubuntu1~25.10.1
- 9.0.112-9.0.11-0ubuntu1~25.10.1
- 9.0.113-9.0.12-0ubuntu1~25.10.1
- 9.0.114-9.0.13-0ubuntu1~25.10.1
- 9.0.115-9.0.14-0ubuntu1~25.10.1
- Affected ranges
- ECOSYSTEM: < 9.0.116-9.0.15-0ubuntu1~25.10.1
Update to 9.0.116-9.0.15-0ubuntu1~25.10.1
dotnet10 Ubuntu:26.10
- Versions
- 10.0.105-10.0.5-0ubuntu1
- Affected ranges
- ECOSYSTEM: < 10.0.107-10.0.7-0ubuntu1~26.04.1
Update to 10.0.107-10.0.7-0ubuntu1~26.04.1
dotnet10 Ubuntu:26.04:LTS
- Versions
- 10.0.100-10.0.0~rc1-0ubuntu1
- 10.0.100-10.0.0~rc2-0ubuntu1
- 10.0.100-10.0.0-0ubuntu1
- 10.0.100-10.0.0-0ubuntu2
- 10.0.101-10.0.1-0ubuntu1
- 10.0.101-10.0.1-0ubuntu2
- 10.0.101-10.0.1-0ubuntu3
- 10.0.102-10.0.2-0ubuntu1
- 10.0.103-10.0.3-0ubuntu1
- 10.0.104-10.0.4-0ubuntu1
- 10.0.105-10.0.5-0ubuntu1
- Affected ranges
- ECOSYSTEM: < 10.0.107-10.0.7-0ubuntu1~26.04.1
Update to 10.0.107-10.0.7-0ubuntu1~26.04.1
Original sources
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32178
- https://access.redhat.com/security/cve/CVE-2026-32178
- https://bugzilla.redhat.com/show_bug.cgi?id=2457781
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32178.json
- https://access.redhat.com/errata/RHSA-2026:13281
- https://access.redhat.com/errata/RHSA-2026:13280
- https://access.redhat.com/errata/RHSA-2026:8467
- https://access.redhat.com/errata/RHSA-2026:8470
- https://access.redhat.com/errata/RHSA-2026:8472
- https://access.redhat.com/errata/RHSA-2026:8473
- https://access.redhat.com/errata/RHSA-2026:8468
- https://access.redhat.com/errata/RHSA-2026:8475
- 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-2026:8471
- https://access.redhat.com/errata/RHSA-2026:8469
- https://access.redhat.com/errata/RHSA-2026:8474
- https://access.redhat.com/errata/RHSA-2026:9077
- https://access.redhat.com/errata/RHSA-2026:9080
- https://access.redhat.com/errata/RHSA-2026:9205
- https://nvd.nist.gov/vuln/detail/CVE-2026-32178