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CVE-2022-21855

CVSS 3.1: 9.0 critical
EPSS: <1%p58
Published: Jan 11, 2022 · Jan 11, 2022
Modified: Jun 17, 2026

Analyze CVE-2022-21855 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

Description · NVD

Microsoft Exchange Server Remote Code Execution Vulnerability

Vendors: microsoft

Products: exchange server

Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.9%)

In the news

2 stories

First Patch Tuesday of 2022 Brings Fix for a Critical 'Wormable' Windows Vulnerability

The Hacker NewsJan 15, 00:00 UTC · Jan 15, 2022VulnerabilityCVE-2022-21907 CVE-2021-22947 CVE-2021-36976+103

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Microsoft Patch Tuesday for Jan. 2022 — Snort rules and prominent vulnerabilities

Cisco TalosJan 11, 22:12 UTC · Jan 11, 2022VulnerabilityExploitedCVE-2022-21840 CVE-2022-21841 CVE-2022-21837+71

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