CVE-2023-23397: Microsoft Outlook Elevation of Privilege Vulnerability
Critical · CVSS 9.8 (CVSS 3.1)KEV known exploitedEPSS 97.2%, 100th percentilePublished Updated Assigner: microsoft
In CISA’s Known Exploited Vulnerabilities catalog: Microsoft Office Outlook Privilege Escalation Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
Description
Microsoft Outlook Elevation of Privilege Vulnerability
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C · CWE-20
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Microsoft: Microsoft 365 Apps for EnterpriseMicrosoft: Microsoft Office 2019Microsoft: Microsoft Office LTSC 2021Microsoft: Microsoft Outlook 2013 Service Pack 1Microsoft: Microsoft Outlook 2016
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23397 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)