Microsoft Exchange Server Remote Code Execution Vulnerability

1. 2021-12-09 First public exploit (Metasploit exploit/windows/http/exchange_chainedserializationbinder_rce)
2. 2022-03-09 Published

41.11% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

• Metasploit exploit/windows/http/exchange_chainedserializationbinder_rce Microsoft Exchange Server ChainedSerializationBinder RCE metasploit exploit, excellent rank, 2021-12-09

• Microsoft Microsoft Exchange Server 2013 Cumulative Update 23
• Microsoft Microsoft Exchange Server 2016 Cumulative Update 21
• Microsoft Microsoft Exchange Server 2019 Cumulative Update 10
• Microsoft Microsoft Exchange Server 2016 Cumulative Update 22
• Microsoft Microsoft Exchange Server 2019 Cumulative Update 11

Technology feeds

• Microsoft Exchange rss critical rss

• msrc.microsoft.com /update-guide/vulnerability/CVE-2022-23277

  vendor-advisory

• CVE List CVE-2022-23277
• NVD CVE-2022-23277

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.