Description
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft Exchange Server 2013 Cumulative Update 23 | 15.00.0 – < 15.00.1497.048 | 15.00.1497.048 |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 23 | 15.01.0 – < 15.01.2507.023 | 15.01.2507.023 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 11 | 15.02.0 – < 15.02.0986.042 | 15.02.0986.042 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 12 | 15.02.0 – < 15.02.1118.026 | 15.02.1118.026 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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N1k0la-T/CVE-2023-21707 ★ 28 · Jun 30, 2023
CVE-2023-21707 EXP
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- WID-SEC-2023-0368 Microsoft Exchange: Mehrere Schwachstellen ermöglichen Codeausführung BSI CERT-Bund (WID) · Apr 13, 2026
- MSRC-CVE-2023-21707 Microsoft Exchange Server Remote Code Execution Vulnerability Microsoft Security Response Center · Mar 9, 2023
References
- Microsoft Exchange Server Remote Code Execution Vulnerability vendor-advisory patch