VulnerabilityModified
CVE-2022-21979
Microsoft Exchange Server Information Disclosure Vulnerability
MEDIUM 4.8EPSS 2.22%
Does this matter?
Lower severity and a low EPSS score (2.22%). Track it; it rarely justifies an emergency change on its own.
Description
Microsoft Exchange Server Information Disclosure Vulnerability
- CVSS 3.1
- 4.8 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 2.22% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- microsoft/exchange server
- Source
- secure@microsoft.com
EPSS 2.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.