CVE-2018-8581
KEV RANSOMWAREHIGH 7.4EPSS 27.4%
An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.
- CVSS v3.1
- 7.4 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS v3.1
- 7.4 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS v2.0
- 5.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:N - EPSS
- 27.36% chance of exploitation in the next 30 days, 98th percentile
- CISA KEV
- added 2022-03-03, used in ransomware campaigns
- Published
- 2018-11-14
- Updated
- 2025-10-21
Proof-of-concept exploits (2)
- WyAtu/CVE-2018-8581331★ · 2018-12-30
- qiantu88/CVE-2018-85815★ · 2018-12-28