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CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.
Microsoft Exchange Server contains an information disclosure vulnerability that allows for remote code execution.
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Explore global source statements, affected packages and advisory history for CVE-2021-31196. The catalog has a separate collection scope from Microsoft release records.
Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.
CVE-2021-31196 · CVE overview and exploitation status