Exploited vulnerability

CVE-2022-41080

TLP:CLEAR

Microsoft Exchange Server Privilege Escalation Vulnerability

Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation. This vulnerability is chainable with CVE-2022-41082, which allows for remote code execution.

Facts

Vendor: Microsoft
Product: Exchange Server
CVSS: 8.8
EPSS (probability of exploitation within 30 days): 77.3 %
On CISA's Known Exploited Vulnerabilities list since: 10 January 2023
First known exploitation: 10 January 2023
Used in ransomware campaigns (per CISA): Yes
CISA's deadline for US federal agencies: 31 January 2023
First seen by Risk Letters: 10 January 2023

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD