CVE-2023-23397.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSUnscoredNo severity score in this snapshot.

EXPLOITATION STATUSCISA known exploitedAdded Mar 14, 2023

RECORD STATUSAwaiting NVD dataModified Mar 14, 2023

Disclosure summary

Microsoft Office Outlook contains a privilege escalation vulnerability that allows for a NTLM Relay attack against another service to authenticate as the user.

CISA remediation guidance

Apply updates per vendor instructions.

Original records & references

NIST NVD record
CVE Program record
CISA KEV catalog entry

PUBLISHED 2023-03-14T00:00:00-04:00
MODIFIED 2023-03-14T00:00:00-04:00
INGESTED 2026-10-06T11:42:58-04:00