VULNERABILITY INTELLIGENCE

CVE-2021-34523

CVSS score9 CRITICAL
EPSS probability99.99%
CISA KEVKnown exploited vulnerability
Published2021-07-14
Last modified2026-08-10
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Known Exploited Vulnerability

Microsoft Exchange Server Privilege Escalation Vulnerability

Vendor / product: Microsoft / Exchange Server

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references