Out-of-band Exchange Server update fixes high-severity mailbox access bug (CVE-2026-96940)

October 5, 2026 · 10:38 am 1 sources

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• Out-of-band Exchange Server update fixes high-severity mailbox access bug (CVE-2026-96940)
  Help Net Security · October 5, 2026 10:38
  Microsoft has pushed out an out-of-band security update for Exchange Server that fixes a high-severity vulnerability (CVE-2026-96940) that may allow authenticated attackers to read emails and attachments of other users in the same organization, but “does not allow access across tenant boundaries.”…