Microsoft Exchange Server vulnerabilities

• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2026-87696 7.5 HighOctober 13, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2026-87695 7.8 HighOctober 13, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +2 more +4 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2026-87692 7.8 HighOctober 13, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2026-96940 Public exploit 8.8 HighOctober 2, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2026-69641 9.1 CriticalSeptember 8, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Information Disclosure Vulnerability CVE-2026-69382 5.9 MediumSeptember 8, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2026-69380 8.1 HighSeptember 8, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Denial of Service Vulnerability CVE-2026-69378 7.5 HighSeptember 8, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Tampering Vulnerability CVE-2026-69375 6.5 MediumSeptember 8, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Spoofing Vulnerability CVE-2026-69361 6.5 MediumSeptember 8, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Spoofing Vulnerability CVE-2026-69356 9.3 CriticalSeptember 8, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Remote Code Execution Vulnerability CVE-2026-69355 8.8 HighSeptember 8, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2019 cumulative update 14 +2 more +4 more Microsoft Exchange Server Remote Code Execution Vulnerability CVE-2026-55007 8.1 HighSeptember 8, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2026-62911 Public exploit 8.0 HighAugust 11, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2026-65813 6.5 MediumAugust 11, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Security Feature Bypass Vulnerability CVE-2026-62915 6.5 MediumAugust 11, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Spoofing Vulnerability CVE-2026-62914 7.3 HighAugust 11, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Remote Code Execution Vulnerability CVE-2026-62913 8.8 HighAugust 11, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Denial of Service Vulnerability CVE-2026-62912 6.5 MediumAugust 11, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2026-62910 7.2 HighAugust 11, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2026-55009 7.8 HighJuly 14, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Spoofing Vulnerability CVE-2026-55008 9.6 CriticalJuly 14, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2026-55006 7.8 HighJuly 14, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Remote Code Execution Vulnerability CVE-2026-55005 8.8 HighJuly 14, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Spoofing Vulnerability CVE-2026-47631 8.1 HighJune 9, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Remote Code Execution Vulnerability CVE-2026-45583 7.5 HighJune 9, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2026-45504 Public exploit 8.8 HighJune 9, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Information Disclosure Vulnerability CVE-2026-45503 8.1 HighJune 9, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Information Disclosure Vulnerability CVE-2026-45502 EPSS 19.6% 5.0 MediumJune 9, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Spoofing Vulnerability CVE-2026-45501 6.5 MediumJune 9, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Spoofing Vulnerability CVE-2026-45500 6.1 MediumJune 9, 2026
• microsoft exchange server, microsoft, microsoft exchange server subscription edition +4 more +6 more Microsoft Exchange Server Spoofing Vulnerability CVE-2026-42897 In KEVPublic exploit EPSS 70.7% 8.1 HighMay 14, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Spoofing Vulnerability CVE-2026-21527 6.5 MediumFebruary 10, 2026
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2025-64666 7.5 HighDecember 9, 2025
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Spoofing Vulnerability CVE-2025-64667 5.3 MediumDecember 9, 2025
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Spoofing Vulnerability CVE-2025-59248 7.5 HighOctober 14, 2025
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2025-59249 8.8 HighOctober 14, 2025
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2025-53782 8.4 HighOctober 14, 2025
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Spoofing Vulnerability CVE-2025-25007 5.3 MediumAugust 12, 2025
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Spoofing Vulnerability CVE-2025-25006 5.3 MediumAugust 12, 2025
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Tampering Vulnerability CVE-2025-25005 6.5 MediumAugust 12, 2025
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Information Disclosure Vulnerability CVE-2025-33051 7.5 HighAugust 12, 2025
• microsoft exchange server, exchange server subscription edition, exchange server 2016 cumulative update 23 +3 more +5 more Microsoft Exchange Server Hybrid Deployment Elevation of Privilege Vulnerability CVE-2025-53786 Public exploit 8.0 HighAugust 6, 2025
• microsoft exchange server, exchange server 2016 cumulative update 23, exchange server 2019 cumulative update 13 +1 more +3 more Microsoft Exchange Server Spoofing Vulnerability CVE-2024-49040 7.5 HighNovember 12, 2024
• microsoft exchange server, exchange server 2016 cumulative update 23, exchange server 2019 cumulative update 13 +1 more +3 more Microsoft Exchange Server Remote Code Execution Vulnerability CVE-2024-26198 8.8 HighMarch 12, 2024
• microsoft exchange server, exchange server 2016 cumulative update 23, exchange server 2019 cumulative update 13 +1 more +3 more Microsoft Exchange Server Elevation of Privilege Vulnerability CVE-2024-21410 In KEV EPSS 12.7% 9.8 CriticalFebruary 13, 2024
• microsoft exchange server, exchange server 2016 cumulative update 23, exchange server 2019 cumulative update 12 +1 more +3 more Microsoft Exchange Server Spoofing Vulnerability CVE-2023-36035 EPSS 86.6% 8.0 HighNovember 14, 2023
• microsoft exchange server, exchange server 2016 cumulative update 23, exchange server 2019 cumulative update 12 +1 more +3 more Microsoft Exchange Server Spoofing Vulnerability CVE-2023-36050 EPSS 39.2% 8.0 HighNovember 14, 2023
• microsoft exchange server, exchange server 2016 cumulative update 23, exchange server 2019 cumulative update 12 +1 more +3 more Microsoft Exchange Server Spoofing Vulnerability CVE-2023-36039 EPSS 73.0% 8.0 HighNovember 14, 2023
• microsoft exchange server, exchange server 2016 cumulative update 23, exchange server 2019 cumulative update 12 +1 more +3 more Microsoft Exchange Server Remote Code Execution Vulnerability CVE-2023-36439 8.0 HighNovember 14, 2023
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