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Dossier · Vulnerability

Actively exploited · CISA KEV · NVD published 2023-03-14

CVE-2023-23397

Microsoft Outlook Elevation of Privilege Vulnerability

  1. First PoC
  2. 1312 days →First cited attacker

Signals

Exploited in the wild
Yesadded 2023-03-14 · due 2023-04-04. An observation, not a forecast.
EPSS · 30-day forecast
97%Chance of exploitation in the next 30 days, 100th percentile of all CVEs. A forecast; KEV outranks it.
CVSS · NVD · CRITICAL
9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Internet exposure
not stated by sourcesNo exposure census on this CVE's dispatches.

Exploits

29 known · links only

GitHub PoCs · by trust, then stars29

  1. ★ 344 · created 2023-03-16

  2. Exploit for the CVE-2023-23397

    ★ 158 · created 2023-03-15

  3. Simple PoC of the CVE-2023-23397 vulnerability with the payload sent by email.

    ★ 132 · created 2023-03-20

  4. Simple PoC in PowerShell for CVE-2023-23397

    ★ 40 · created 2023-03-16

  5. Proof of Concept for CVE-2023-23397 in Python

    ★ 25 · created 2023-03-21

  6. ★ 22 · created 2023-07-14

  7. Python script for sending e-mails with CVE-2023-23397 payload using SMTP

    ★ 14 · created 2023-03-22

  8. ★ 9 · created 2023-03-18

  9. CVE-2023-23397 PoC

    ★ 8 · created 2023-05-07

  10. Generates meeting requests taking advantage of CVE-2023-23397. This requires the outlook thick client to send.

    ★ 7 · created 2023-03-17

  11. Exploit POC for CVE-2023-23397

    ★ 6 · created 2023-03-17

  12. Python script to create a message with the vulenrability properties set

    ★ 4 · created 2023-03-16

  13. This script exploits CVE-2023-23397, a Zero-Day vulnerability in Microsoft Outlook, allowing the generation of malicious emails for testing and educational purposes.

    ★ 4 · created 2023-10-26

  14. CVE-2023-23397 - Microsoft Outlook Vulnerability

    ★ 3 · created 2023-03-16

  15. CVE-2023-23397漏洞的简单PoC,有效载荷通过电子邮件发送。

    ★ 3 · created 2023-03-31

  16. ★ 2 · created 2023-03-19

  17. An exploitation demo of Outlook Elevation of Privilege Vulnerability

    ★ 1 · created 2023-03-24

  18. ★ 1 · created 2023-03-16

  19. CVE-2023-23397 C# PoC

    ★ 1 · created 2023-03-18

  20. Two POCs I created for the CVE-2023-23397 Outlook NTLM vulnerability, to be used internally.

    ★ 1 · created 2026-01-09

  21. Patch for MS Outlook Critical Vulnerability - CVSS 9.8

    ★ 1 · created 2023-03-20

  22. Proof of Work of CVE-2023-23397 for vulnerable Microsoft Outlook client application.

    ★ 1 · created 2024-03-20

  23. Demonstration of CVE-2023-23397 Outlook Privellege Escalation vulnerability

    ★ 0 · created 2025-04-07

  24. CVE-2023-23397 Remediation Script (Powershell)

    ★ 0 · created 2023-03-17

  25. ★ 0 · created 2023-03-29

  26. ★ 0 · created 2026-08-26

  27. CVE-2023-23397: Remote Code Execution Vulnerability in Microsoft Outlook

    ★ 0 · created 2024-06-22

  28. CVE-2023-23397 powershell patch script for Windows 10 and 11

    ★ 0 · created 2023-03-24

  29. Detection and mitigation research lab for CVE-2023-23397 using network and endpoint security telemetry.

    ★ 0 · created 2026-08-28

Fake proof-of-concept repositories have been used to deliver malware to the researchers who run them. The trust verdict is our engine's heuristic over the repository (account age, what it ships, how its stars arrived); it is a reason to read the code first, not a finding about its author.

On the wire

0 dispatches

No dispatch on our wire has named this CVE yet.

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