Microsoft Microsoft Exchange Server 2016 Cumulative Update 23
88 CVEs affecting Microsoft Microsoft Exchange Server 2016 Cumulative Update 23. Latest disclosed: 2026-10-13. Critical: 6, High: 64.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2024-21410 | Critical | 9.8 | 2024-02-13 | Microsoft Exchange Server Elevation of Privilege Vulnerability |
CVE-2023-21709 | Critical | 9.8 | 2023-08-08 | Microsoft Exchange Server Elevation of Privilege Vulnerability |
CVE-2026-55008 | Critical | 9.6 | 2026-07-14 | Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform sp… |
CVE-2026-70279 | Critical | 9.3 | 2026-10-13 | Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform sp… |
CVE-2026-69356 | Critical | 9.3 | 2026-09-08 | Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform sp… |
CVE-2026-69641 | Critical | 9.1 | 2026-09-08 | Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network. |
CVE-2026-77910 | High | 8.8 | 2026-10-13 | Incorrect authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network. |
CVE-2026-96940 | High | 8.8 | 2026-10-02 | Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network. |
CVE-2026-69355 | High | 8.8 | 2026-09-08 | External control of file name or path in Microsoft Exchange Server allows an authorized attacker to execute code over a network. |
CVE-2026-62913 | High | 8.8 | 2026-08-11 | Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network. |
CVE-2026-55005 | High | 8.8 | 2026-07-14 | Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network. |
CVE-2026-45504 | High | 8.8 | 2026-06-09 | Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network. |
CVE-2025-59249 | High | 8.8 | 2025-10-14 | Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network. |
CVE-2024-26198 | High | 8.8 | 2024-03-12 | Microsoft Exchange Server Remote Code Execution Vulnerability |
CVE-2023-38185 | High | 8.8 | 2023-08-08 | Microsoft Exchange Server Remote Code Execution Vulnerability |
CVE-2023-38181 | High | 8.8 | 2023-08-08 | Microsoft Exchange Server Spoofing Vulnerability |
CVE-2023-35368 | High | 8.8 | 2023-08-08 | Microsoft Exchange Remote Code Execution Vulnerability |
CVE-2023-32031 | High | 8.8 | 2023-06-14 | Microsoft Exchange Server Remote Code Execution Vulnerability |
CVE-2023-21707 | High | 8.8 | 2023-02-14 | Microsoft Exchange Server Remote Code Execution Vulnerability |
CVE-2023-21706 | High | 8.8 | 2023-02-14 | Microsoft Exchange Server Remote Code Execution Vulnerability |