This release updates PuTTY CAC 0.85 Update 1 with the following changes. This release was compiled with Microsoft Visual Studio 2026.
Enhancements:
- Added a new tab-manager for PuTTY CAC (puttytab.exe).
Fixes:
- Fixed a potential crash when parsing ECDSA and Ed25519 FIDO security-key public keys.
MSI Installers
https://github.com/NoMoreFood/putty-cac/raw/0.85u1/binaries/puttycac-0.85u1-arm64.msi
https://github.com/NoMoreFood/putty-cac/raw/0.85u1/binaries/puttycac-0.85u1-x86.msi
https://github.com/NoMoreFood/putty-cac/raw/0.85u1/binaries/puttycac-0.85u1-x64.msi
ZIP Files (Contains All Executables)
https://github.com/NoMoreFood/putty-cac/raw/0.85u1/binaries/puttycac-0.85u1-arm64.zip
https://github.com/NoMoreFood/putty-cac/raw/0.85u1/binaries/puttycac-0.85u1-x86.zip
https://github.com/NoMoreFood/putty-cac/raw/0.85u1/binaries/puttycac-0.85u1-x64.zip
Binary Hash Information
https://github.com/NoMoreFood/putty-cac/raw/0.85u1/binaries/puttycac-hash.txt
Other Tools
https://github.com/NoMoreFood/putty-cac/raw/0.85u1/tools/CertificateTransformer.ps1