VulnerabilityModified
CVE-2021-28480
Microsoft Exchange Server Remote Code Execution Vulnerability
CRITICAL 9.8EPSS 71.2%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 71.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Microsoft Exchange Server Remote Code Execution Vulnerability
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 71.23% probability · 99th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/exchange server
- Source
- secure@microsoft.com
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28480Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28480Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.