CVE-2022-41080highunder attackransomware

CVE-2022-41080: high-severity vulnerability in Microsoft Exchange Server 2013 Cumulative…

Microsoft Exchange Server Elevation of Privilege Vulnerability

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93Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA and has a public proof of concept.

ssvc Actcvss 8.8epss 77%
from disclosure to weapon43 days
Published on NVDNov 9
1st PoC+43d
CISA KEV+62d
Action required by CISAfederal deadline: 2023-01-31

Apply updates per vendor instructions.

In short

A flaw in Microsoft Exchange Server allows an authenticated attacker to gain higher system privileges than they should have. This is dangerous because an attacker with basic access could potentially take full control of the email server.

Technical detail

This elevation of privilege vulnerability in Microsoft Exchange Server affects authenticated users and can be exploited through the Exchange management interface or OWA (Outlook Web Access). Successful exploitation allows an attacker to escalate from standard user privileges to administrative privileges, compromising the integrity and confidentiality of the entire Exchange infrastructure.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

Microsoft Exchange Server Elevation of Privilege Vulnerability
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
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