CVE-2023-23397 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 97.2% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2023-04-04.
Description
Microsoft Outlook Elevation of Privilege Vulnerability
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 97.16% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | yes — remediate by 2023-04-04 |
| Public exploit | none known |
| Published | 2023-03-14 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Microsoft Office Outlook Privilege Escalation Vulnerability |
|---|---|
| Added | 2023-03-14 |
| Due | 2023-04-04 |
| Vendor / product | Microsoft / Office |
| Ransomware use | none reported |
Affected (4)
| Vendor | Product |
|---|---|
| microsoft | 365 apps |
| microsoft | office |
| microsoft | office long term servicing channel |
| microsoft | outlook |
References
→ the Explorer · watch your stack · NVD