Vulnerabilities of Microsoft Microsoft Exchange Server 2016 Cumulative Update 23
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CVE list
| CVE | Summary | Score | Published |
|---|---|---|---|
| CVE-2026-55005 | Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network | 8.8 High | Jul 14, 2026 |
| CVE-2026-47631 | Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows… | 8.1 High | Jun 9, 2026 |
| CVE-2026-45504 | Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over… | 8.8 High | Jun 9, 2026 |
| CVE-2026-45583 | Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker… | 7.5 High | Jun 9, 2026 |
| CVE-2026-45502 | Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information… | 5.0 Medium | Jun 9, 2026 |
| CVE-2026-45503 | Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network | 8.1 High | Jun 9, 2026 |
| CVE-2026-45501 | Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a… | 6.5 Medium | Jun 9, 2026 |
| CVE-2026-45500 | Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows… | 6.1 Medium | Jun 9, 2026 |
| CVE-2026-42897 | Exploited Microsoft Exchange Server Cross-Site Scripting Vulnerability | 8.1 High | May 14, 2026 |
| CVE-2026-21527 | User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized… | 6.5 Medium | Feb 10, 2026 |
| CVE-2025-64666 | Improper input validation in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a… | 7.5 High | Dec 9, 2025 |
| CVE-2025-64667 | User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized… | 5.3 Medium | Dec 9, 2025 |
| CVE-2025-59248 | Improper input validation in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a… | 7.5 High | Oct 14, 2025 |
| CVE-2025-59249 | Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network | 8.8 High | Oct 14, 2025 |
| CVE-2025-53782 | Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to… | 8.4 High | Oct 14, 2025 |
| CVE-2025-25006 | Improper handling of additional special element in Microsoft Exchange Server allows an unauthorized attacker to… | 5.3 Medium | Aug 12, 2025 |
| CVE-2025-25007 | Improper validation of syntactic correctness of input in Microsoft Exchange Server allows an unauthorized attacker to… | 5.3 Medium | Aug 12, 2025 |
| CVE-2025-25005 | Improper input validation in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network | 6.5 Medium | Aug 12, 2025 |
| CVE-2025-33051 | Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized… | 7.5 High | Aug 12, 2025 |
| CVE-2025-53786 | On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying… | 8.0 High | Aug 6, 2025 |
| CVE-2024-49040 | Microsoft Exchange Server Spoofing Vulnerability | 7.5 High | Nov 12, 2024 |
| CVE-2024-26198 | Microsoft Exchange Server Remote Code Execution Vulnerability | 8.8 High | Mar 12, 2024 |
| CVE-2024-21410 | Exploited Microsoft Exchange Server Privilege Escalation Vulnerability | 9.8 Critical | Feb 13, 2024 |
| CVE-2023-36035 | Microsoft Exchange Server Spoofing Vulnerability | 8.0 High | Nov 14, 2023 |
| CVE-2023-36039 | Microsoft Exchange Server Spoofing Vulnerability | 8.0 High | Nov 14, 2023 |
Other Microsoft products
Windows Server 2019 5745
Windows Server 2019 (Server Core installation) 5648
Windows 10 Version 1809 5349
Windows Server 2022 5112
Windows Server 2016 5051
Windows Server 2016 (Server Core installation) 4847
Windows 10 Version 21H2 4539
Windows 10 Version 1607 4535
Windows Server 2012 R2 4103
Windows 10 Version 22H2 4041
Windows Server 2012 R2 (Server Core installation) 3958
Windows Server 2012 3865