Microsoft Root Certificate Authority 2011cer Work Jun 2026

If you’ve ever installed Windows without seeing a single “Untrusted Publisher” warning for core Microsoft components — you’ve witnessed the Microsoft Root Certificate Authority 2011 doing its job.

The certificates issued under the 2011 root are reaching the end of their 15-year lifecycle. with the "2023" certificate chain to ensure continued protection against modern threats. Root Certificate Authority (CA) - Glossary | CSRC microsoft root certificate authority 2011cer work

If missing, Windows Update will typically reinstall it as part of the . If you’ve ever installed Windows without seeing a

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