VULNERABILITY INTELLIGENCE

CVE-2021-42321

CVSS score8.8 HIGH
EPSS probability91.74%
CISA KEVKnown exploited vulnerability
Published2021-11-10
Last modified2026-08-19
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Microsoft Exchange Server Remote Code Execution Vulnerability

Vendor / product: Microsoft / Exchange

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

Weakness classification

  • nvd@nist.gov: NVD-CWE-Other

Primary references