CVE-2021-31206
Medium
Elevated severity or exploit probability.
CVSS base
7.6
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L
EPSS — probability of exploitation (30 days)
13.0%
96.1th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2021-07-14 · modified 2026-08-10
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | L | Low |
| Availability | L | Low |
Timeline
- 2021-07-14 — Published (NVD)
- 2026-08-10 — Last modified (NVD)
Description
Microsoft Exchange Server Remote Code Execution Vulnerability