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CVE-2021-33766CISA KEV

Microsoft Exchange Server Information Disclosure

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA KEV Check MSRC

CISA catalog record

Microsoft Exchange Server contains an information disclosure vulnerability which can allow an unauthenticated attacker to steal email traffic from target.

Product
Exchange Server
Added to KEV
18 Jan 2022
Federal remediation due
1 Feb 2022
Known ransomware use
Not reported
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