CyberRota Analysis
AI analysis pending.
CVE
CVE-2021-34453
Severity
HIGH
CVSS
7.5
EPSS
2.67%
Microsoft Exchange
Original NVD Description
Microsoft Exchange Server Denial of Service Vulnerability
AUGUST 4, 2026
Back to database
Live Feed
Case File
CVE-2021-34453
HIGH · CVSS 7.5
EPSS 2.67%
Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-13 · Last synced 2026-08-04