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Out-of-band Exchange Server update fixes high-severity mailbox access bug (CVE
Reporting by Help Net SecurityRead the original at helpnetsecurity.com
2026-96940) 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.”