AUGUST 4, 2026

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Case File

CVE-2023-21745

HIGH · CVSS 8 EPSS 1.50%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-01-10 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.0. It affects Microsoft, Exchange.

CVE

CVE-2023-21745

Severity

HIGH

CVSS

8

EPSS

1.50%

Microsoft Exchange

Original NVD Description

Microsoft Exchange Server Spoofing Vulnerability

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-17992 MEDIUM CVE-2026-17932 MEDIUM CVE-2026-17908 MEDIUM CVE-2026-17900 MEDIUM CVE-2026-17863 HIGH CVE-2026-17862 HIGH