Oct 2026: .NET Remote Code Execution Vulnerability
CVE-2026-87697 Published on October 13, 2026
.NET Remote Code Execution Vulnerability
Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code over a network.
Weakness Type
What is a Marshaling, Unmarshaling Vulnerability?
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
CVE-2026-87697 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.
Products Associated with CVE-2026-87697
Want to know whenever a new CVE is published for Microsoft products? stack.watch will email you.
Affected Versions
Microsoft .NET 10.0:- Version 10.0.0 and below 10.0.13 is affected.
- Version 11.0.0 and below 11.0.0-rc.2 is affected.
- Version 8.0.0 and below 8.0.32 is affected.
- Version 9.0.0 and below 9.0.21 is affected.
- Version 17.14.0 and below 17.14.42 is affected.
- Version 18.10.0 and below 18.10.4 is affected.