Nearly 22,000 Microsoft Exchange servers remain exposed to critical security flaw (CVE-2026-62911)

September 2, 2026 · 1:24 pm 1 sources

Image: Help Net Security

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• Nearly 22,000 Microsoft Exchange servers remain exposed to critical security flaw (CVE-2026-62911)
  Help Net Security · September 2, 2026 13:24
  Nearly 22,000 Microsoft Exchange servers remain unpatched against CVE-2026-62911, a critical authentication bypass vulnerability, according to daily scans from the Shadowserver Foundation. The United States and Germany top the list with 6,200 and 5,100 unpatched servers. CVE-2026-62911 is a…