CVE-2026-83520
CVE-2026-83520 · .NET Remote Code Execution Vulnerability
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code over a network.
CVSS 8.8 · High · EPSS 1.3% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
.net 10.0 runtime
- Versions
- ≥ 10.0.0, < 10.0.13: Affected (custom)
Update to 10.0.13
.net 11.0 runtime
- Versions
- ≥ 11.0.0, < 11.0.0-rc.2: Affected (custom)
No fix published
.net 8.0 runtime
- Versions
- ≥ 8.0.0, < 8.0.32: Affected (custom)
Update to 8.0.32
.net 9.0 runtime
- Versions
- ≥ 9.0.0, < 9.0.21: Affected (custom)
Update to 9.0.21
microsoft .net framework 3.5
- Versions
- ≥ 3.5.0, < 2.0.50727.9188 AND 3.0.30729.9171: Affected (custom)
No fix published
microsoft .net framework 3.5 and 4.6.2/4.7/4.7.1/4.7.2
- Versions
- ≥ 3.0.0.0, < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0: Affected (custom)
No fix published
microsoft .net framework 3.5 and 4.7.2
- Versions
- ≥ 4.7.0, < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0: Affected (custom)
No fix published
microsoft .net framework 3.5 and 4.8
- Versions
- ≥ 4.8.0, < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0: Affected (custom)
No fix published
microsoft .net framework 3.5 and 4.8.1
- Versions
- ≥ 4.8.1, < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0: Affected (custom)
No fix published
microsoft .net framework 4.6.2/4.7/4.7.1/4.7.2
- Versions
- ≥ 4.7.0, < 4.7.4150.0: Affected (custom)
Update to 4.7.4150.0
microsoft .net framework 4.8
- Versions
- ≥ 4.8.0, < 4.8.4811.0: Affected (custom)
Update to 4.8.4811.0
microsoft .net framework 4.8.1
- Versions
- ≥ 4.8.0.0, < 4.8.9363.0: Affected (custom)
Update to 4.8.9363.0
microsoft visual studio 2022 version 17.14
- Versions
- ≥ 17.14.0, < 17.14.42: Affected (custom)
Update to 17.14.42
microsoft visual studio 2026 version 18.10
- Versions
- ≥ 18.10.0, < 18.10.4: Affected (custom)
Update to 18.10.4
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