Microsoft Exchange Server privilege escalation | CVE-2022-21978
NAME
Microsoft Exchange Server privilege escalation
- Platforms Affected:
Microsoft Exchange Server 2013 CU23
Microsoft Exchange Server 2016 CU22
Microsoft Exchange Server 2019 CU11
Microsoft Exchange Server 2016 CU23
Microsoft Exchange Server 2019 CU12 - Risk Level:
8.2 - Exploitability:
Unproven - Consequences:
Gain Privileges
DESCRIPTION
Microsoft Exchange Server could allow a local authenticated attacker to gain elevated privileges on the system. By executing a specially-crafted program, an authenticated attacker could exploit this vulnerability to execute arbitrary code with higher privileges.
CVSS 3.0 Information
- Privileges Required: High
- User Interaction: None
- Scope: Changed
- Access Vector: Local
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches. See references.
- Reference Link:
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2022-21978 - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21978
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