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Dark ReadingMicrosoft Exchange Zero-Day Under Attack, No Patch Available

Exploited
Zeroday
First published (updated )
News
Dark Reading

Microsoft Exchange ServerMicrosoft Exchange Server Cross-Site Scripting Vulnerability

Risk 72
Severity
8.1
Exploited
First published (updated )
CVE-2026-42897

BleepingComputerUS indicts Black Kingdom ransomware admin for Microsoft Exchange attacks

Exploited
First published (updated )
News
BleepingComputer

Dark ReadingHow Public & Private Sectors Can Better Align Cyber Defense

Exploited
Zeroday
First published (updated )
News
Dark Reading

The RegisterProxyLogon, one of Salt Typhoon's favorites, still wide open

Exploited
First published (updated )
News
The Register
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Microsoft Exchange ServerMicrosoft Exchange Server Privilege Escalation Vulnerability

Risk 88
Severity
9.8
Exploited
Zeroday
EPSS
0.09%
First published (updated )
CVE-2024-21410

Microsoft Exchange ServerMicrosoft Exchange Server Deserialization of Untrusted Data Vulnerability

Risk 95
Severity
8.8
Exploited
First published (updated )
CVE-2023-21529

Microsoft Exchange serverMicrosoft Exchange Server Privilege Escalation Vulnerability

Risk 99
Severity
9.8
Exploited
First published (updated )
CVE-2022-41080

Microsoft Exchange serverMicrosoft Exchange Server Elevation of Privilege Vulnerability

Risk 95
Severity
8.8
Exploited
First published (updated )
CVE-2022-41040

Microsoft Exchange serverMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 95
Severity
8.8
Exploited
First published (updated )
CVE-2022-41082
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Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 93
Severity
8.8
Exploited
First published (updated )
CVE-2021-42321

Microsoft Exchange ServerMicrosoft Exchange Server Information Disclosure Vulnerability

Risk 80
Severity
7.2
Exploited
First published (updated )
CVE-2021-31196

Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 100
Severity
10
Exploited
Zeroday
First published (updated )
CVE-2021-34473

Microsoft Exchange ServerMicrosoft Exchange Server Information Disclosure

Risk 65
Severity
7.5
Exploited
First published (updated )
CVE-2021-33766

Microsoft Exchange ServerMicrosoft Exchange Server Privilege Escalation Vulnerability

Risk 99
Severity
9.8
Exploited
First published (updated )
CVE-2021-34523
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Microsoft Exchange ServerMicrosoft Exchange Server Security Feature Bypass Vulnerability

Risk 86
Severity
7.2
Exploited
First published (updated )
CVE-2021-31207

Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 89
Severity
7.8
Exploited
First published (updated )
CVE-2021-27065

Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 88
Severity
7.8
Exploited
First published (updated )
CVE-2021-26858

Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 99
Severity
9.8
Exploited
First published (updated )
CVE-2021-26855

Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 88
Severity
7.8
Exploited
First published (updated )
CVE-2021-26857
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Microsoft Exchange ServerMicrosoft Exchange Remote Code Execution Vulnerability

Risk 93
Severity
8.8
Exploited
First published (updated )
CVE-2020-17144

Microsoft Exchange ServerMicrosoft Exchange Server Validation Key Remote Code Execution Vulnerability

Risk 96
Severity
9
Exploited
First published (updated )
CVE-2020-0688

Microsoft Exchange ServerMicrosoft Exchange Server Privilege Escalation Vulnerability

Risk 67
Severity
7.4
Exploited
First published (updated )
CVE-2018-8581

Microsoft Malware Protection EngineMicrosoft Malware Protection Engine Improper Restriction of Operations Vulnerability

Risk 94
Severity
7.8
Exploited
First published (updated )
CVE-2017-8540

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