VulnerabilityAnalyzed
CVE-2018-8581
Microsoft Exchange Server Privilege Escalation Vulnerability
KEVHIGH 7.4EPSS 27.4%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.
- CVSS 3.1
- 7.4 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 27.36% probability · 98th percentile
- CISA KEV
- Listed 3 March 2022 · due 17 March 2022 · used in ransomware campaigns
- Affected
- microsoft/exchange server
- Source
- secure@microsoft.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-8581
References
- http://www.securityfocus.com/bid/105837Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1042141Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8581Patch, Vendor Advisory
- http://www.securityfocus.com/bid/105837Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1042141Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8581Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8581US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.