Recorded 29 Oct 2026 at 20:19 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

CVECISA Known Exploited Vulnerabilities

Microsoft Office Outlook Privilege Escalation Vulnerability

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

What it said

CVE: CVE-2023-23397
Vendor: Microsoft
Product: Office
CISA KEV: Listed 14 Mar 2023
Known ransomware use: Not stated
Federal remediation due: 4 Apr 2023

Recorded links

Source evidence when recorded

CISA KEV: Complete at observationRead 29 Oct 2026 at 20:17 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

Page history

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Field-level log (2)

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23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete