KEV · Actively exploited
CVE-2023-23397
CRITICAL 9.8
KEV
Microsoft Outlook Elevation of Privilege Vulnerability
Attack vector : Network
No privileges required
No user interaction
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
97.41%
exploit likely
percentile 99.9%
CISA Known Exploited Vulnerability
- Added to KEV
- 2023-03-14
- Remediation deadline
- 2023-04-04
- Required action
- Apply updates per vendor instructions.
- Ransomware
- Unknown (not documented by CISA)