CVE-2021-31196
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
7.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
54.1%
99.0th percentile
CISA KEV
Listed
Added 2024-08-21 · patch by 2024-09-11
Weakness / dates
—
Published 2021-07-14 · modified 2026-08-10
Description
Microsoft Exchange Server Remote Code Execution Vulnerability