8.0highHigh

CVE-2021-33768

Microsoft Exchange Server

Microsoft Exchange Server Elevation of Privilege Vulnerability

Exploitation status

  • A vendor advisory or patch reference has been published.

What the metrics mean

  • It is reachable only from the same local or logical network.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, an ordinary user account is needed.
  • Beyond that, no action by a user is required.

Scoring

CVSS
8.0 (v3.1)
Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigned by
secure@microsoft.com

Dates

Published
2021-07-14
Last modified
2026-08-10
Sources
NVD

Affected products

  • Microsoft Exchange Server2016, 2019

As listed in the NVD configuration data. Not a statement about your estate.

References