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Microsoft Exchange Server 2016 Cumulative Update 23 — Vulnerabilities & Security Advisories 25

All 25 CVE vulnerabilities found in Microsoft Exchange Server 2016 Cumulative Update 23, with AI-generated Chinese analysis, references, and POCs.

Vendor: Microsoft

CVE IDTitleCVSSSeverityPublished
CVE-2026-21527 Microsoft Exchange Server Spoofing Vulnerability CWE-451 6.5 Medium2026-02-10
CVE-2025-64666 Microsoft Exchange Server Elevation of Privilege Vulnerability CWE-20 7.5 High2025-12-09
CVE-2025-64667 Microsoft Exchange Server Spoofing Vulnerability CWE-451 5.3 Medium2025-12-09
CVE-2025-59248 Microsoft Exchange Server Spoofing Vulnerability CWE-20 7.5 High2025-10-14
CVE-2025-59249 Microsoft Exchange Server Elevation of Privilege Vulnerability CWE-1390 8.8 High2025-10-14
CVE-2025-53782 Microsoft Exchange Server Elevation of Privilege Vulnerability CWE-303 8.4 High2025-10-14
CVE-2025-25007 Microsoft Exchange Server Spoofing Vulnerability CWE-1286 5.3 Medium2025-08-12
CVE-2025-25005 Microsoft Exchange Server Tampering Vulnerability CWE-20 6.5 Medium2025-08-12
CVE-2025-25006 Microsoft Exchange Server Spoofing Vulnerability CWE-167 5.3 Medium2025-08-12
CVE-2025-33051 Microsoft Exchange Server Information Disclosure Vulnerability CWE-200 7.5 High2025-08-12
CVE-2025-53786 Microsoft Exchange Server Hybrid Deployment Elevation of Privilege Vulnerability CWE-287 8.0 High2025-08-06
CVE-2024-21410 Microsoft Exchange Server Elevation of Privilege Vulnerability CWE-287 9.8 Critical2024-02-13
CVE-2023-36035 Microsoft Exchange Server Spoofing Vulnerability CWE-502 8.0 High2023-11-14
CVE-2023-36039 Microsoft Exchange Server Spoofing Vulnerability CWE-502 8.0 High2023-11-14
CVE-2023-36439 Microsoft Exchange Server Remote Code Execution Vulnerability CWE-502 8.0 High2023-11-14
CVE-2023-36756 Microsoft Exchange Server Remote Code Execution Vulnerability CWE-502 8.0 High2023-09-12
CVE-2023-36757 Microsoft Exchange Server Spoofing Vulnerability CWE-502 8.0 High2023-09-12
CVE-2023-28310 Microsoft Exchange Server Remote Code Execution Vulnerability CWE-502 8.0 High2023-06-14
CVE-2023-21710 Microsoft Exchange Server Remote Code Execution Vulnerability CWE-502 7.2 High2023-02-14
CVE-2023-21707 Microsoft Exchange Server Remote Code Execution Vulnerability CWE-502 8.8 High2023-02-14
CVE-2023-21762 Microsoft Exchange Server Spoofing Vulnerability CWE-502 8.0 High2023-01-10
CVE-2023-21745 Microsoft Exchange Server Spoofing Vulnerability CWE-502 8.0 High2023-01-10
CVE-2023-21761 Microsoft Exchange Server Information Disclosure Vulnerability CWE-918 7.5 High2023-01-10
CVE-2022-41080 Microsoft Exchange Server Elevation of Privilege Vulnerability 8.8 High2022-11-09
CVE-2022-34692 Microsoft Exchange Server Information Disclosure Vulnerability 5.3 Medium2022-08-09

All 25 known CVE vulnerabilities affecting Microsoft Exchange Server 2016 Cumulative Update 23 with full Chinese analysis, references, and POCs where available.