CVE-2023-23397 is a critical severity vulnerability with a CVSS score of 9.8. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.
Very high probability of exploitation in the next 30 days
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
Microsoft Office Outlook contains a privilege escalation vulnerability that allows for a NTLM Relay attack against another service to authenticate as the user.
| Vendor | Product |
|---|---|
| Microsoft | Outlook |
| Microsoft | Office Long Term Servicing Channel |
| Microsoft | 365 Apps |
| Microsoft | Office |
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