CVE-2021-33766

HIGH7.3

CISA KEV

Published 2021-07-14 · Updated 2026-08-10 · Source secure@microsoft.com

Description

Microsoft Exchange Server Information Disclosure Vulnerability

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA Known-Exploited Vulnerability

Product: Microsoft — Exchange Server

Name: Microsoft Exchange Server Information Disclosure

Date added: 2022-01-18 · Due: 2022-02-01

Required action: Apply updates per vendor instructions.

References

View on NVD

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