SIGNALInfrastructure Software·May 26, 2026, 4:50 PMSignal60Medium term

Microsoft wants safer C# without turning it into Rust

Source: The Register

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Microsoft wants safer C# without turning it into Rust

Unsafe bits get a warning label in planned low-level coding shake-up

Why this matters
Why now

The increasing focus on software supply chain security and the prevalence of memory-related vulnerabilities in critical infrastructure drive the need for safer language constructs now.

Why it’s important

This move by Microsoft indicates a broader industry trend towards embedding security deeper into foundational software layers, impacting how all future C# applications are developed and secured.

What changes

C# developers will be nudged towards safer coding practices with clearer warnings for 'unsafe' code, potentially improving overall software reliability and reducing critical vulnerabilities.

Winners
  • · Microsoft
  • · C# Developers
  • · Software Supply Chain Security Vendors
  • · Organizations Using C# Applications
Losers
  • · Malware Authors
  • · Cyberattackers
Second-order effects
Direct

Immediate C# projects will begin implementing new safety warnings, potentially requiring code refactoring.

Second

Over time, the overall attack surface of C# based applications could diminish, making them more resilient against certain types of exploits.

Third

This could set a precedent for other language ecosystems, driving a wider industry shift towards more explicit and enforced safe coding practices at a foundational level.

Editorial confidence: 90 / 100 · Structural impact: 40 / 100
Original report

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