# Outlook security incidents · pwn.watch

> Security incidents tagged Outlook (vendor, product, platform or attack type).

Page: https://pwn.watch/t/outlook · generated 2026-10-22T20:15:47.501Z

## Status (as of 2026-10-22)
- Incidents: 1 (0 live, 0 live and not fully patched, 1 patched)
- Days without a Outlook security incident: 1318
- Newest incident started: 2023-03-14

## Feeds
- JSON (incidents + changes + posts): https://pwn.watch/t/outlook.json
- RSS (one item per incident, bumped on each update): https://pwn.watch/t/outlook/feed.xml
- This file: https://pwn.watch/t/outlook/llms.txt
- Whole site: https://pwn.watch/llms.txt · all tags: https://pwn.watch/tags.json

## Incidents (newest first by start date)
- [Outlook zero-click NTLM hash leak used by Russian state hackers (CVE-2023-23397)](https://pwn.watch/i/microsoft-outlook-ntlm-leak-cve-2023-23397) ([json](https://pwn.watch/i/microsoft-outlook-ntlm-leak-cve-2023-23397.json)): critical, closed, patched, started 2023-03-14, CVE-2023-23397