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cve-2021-26855

Safeguard articles tagged "cve-2021-26855" — guides, analysis, and best practices for software supply chain and application security.

1 article

Vulnerability Analysis

ProxyLogon Microsoft Exchange RCE chain (CVE-2021-26855)

A deep dive into ProxyLogon (CVE-2021-26855 and chain): the unauthenticated Exchange RCE that enabled HAFNIUM and mass ransomware attacks.

Jan 17, 20267 min read
cve-2021-26855 — Safeguard Blog