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Case File

CVE-2018-8581

HIGH · CVSS 7.4 EPSS 27.36% CISA KEV · Actively Exploited

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-11-14 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.4. It affects Microsoft, Exchange. It is listed in CISA's Known Exploited Vulnerabilities catalog, indicating confirmed active exploitation in the wild. Its EPSS score suggests a 27.4% probability of exploitation in the next 30 days.

CISA KEV Details

Status: This CVE is listed in CISA's Known Exploited Vulnerabilities catalog.

Ransomware use: Known

Added to KEV: 2022-03-03

Required action: Apply updates per vendor instructions.

CVE
CVE-2018-8581
Severity
HIGH
CVSS
7.4
EPSS
27.36%
Microsoft Exchange

Original NVD Description

An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.

Related CVEs

Other vulnerabilities affecting the same vendor(s)