Microsoft Root Certificate Authority 2011cer Work ((top))

The original 2011cer uses SHA-1 for its signature. Many security policies (PCI DSS, government standards) now reject SHA-1 roots. However, Windows 10 and 11 still trust this root because it is with SHA-256 versions. Understanding this nuance is crucial: the root “works” because Microsoft issued a SHA-256 cross-certificate.

If you want, provide the .cer file or its thumbprint and I will extract and validate its fields and give a concise verification report. microsoft root certificate authority 2011cer work