CVE-2022-41080

Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Exchange Server 2016 Cumulative Update 22, Microsoft Exchange Server 2016 Cumulative Update 23

Published 9 Nov 2022 · updated 10 Aug 2026 · Analyzed

8.8 High · CVSS 3.1, microsoft.com

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 10 Jan 2023, with a remediation deadline of 31 Jan 2023 for US federal agencies. It has been used in ransomware campaigns.

Required action: Apply updates per vendor instructions.

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

References