A new release of the Microsoft build of Go including security fixes is now available for download.
Security fixes
These builds fix CVE-2026-105787, “Ed25519 input validation inconsistency in the macOS native cryptography backend.” The systemcrypto backend on macOS may handle malformed, attacker-controlled Ed25519 data incorrectly, affecting integrity or process availability.
For more information about this release and the changes included, see the table below:
| Microsoft Release | Upstream Tag |
|---|---|
| v1.27.2-1 | go1.27.2 release notes |
| v1.26.9-1 | go1.26.9 release notes |
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