CVE-2022-41080
Published: January 10, 2023
Official Description
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.
CISA KEV Advisory
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.
Apply updates per vendor instructions.
Risk Analysis
This unspecified vulnerability in Microsoft Exchange Server allows for privilege escalation and can be chained with CVE-2022-41082 for remote code execution. The high EPSS score of 0.93795 indicates a significant likelihood of exploitation, and its presence in the KEV catalog confirms active exploitation, making this a critical vulnerability.
This vulnerability is actively being exploited in the wild, often chained with CVE-2022-41082 for remote code execution. It allows for privilege escalation on affected Exchange Servers.
Organizations should apply the latest security updates and patches for Microsoft Exchange Server. Implement network segmentation and least privilege principles to limit potential impact.
Technical Analysis
CVE-2022-41080 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2022-41080 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-41080 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1