Microsoft Exchange Server 2016 Cumulative Update 23
81 CVEs tracked. 6 of them are in CISA KEV.
This hub aggregates every CVE we track for Microsoft Exchange Server 2016 Cumulative Update 23, a product in the operating systems space. Use it to gauge the current risk picture and drill into individual advisories.
Microsoft Exchange Server 2016 Cumulative Update 23 CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 1 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 5 |
| 2025-09 | 0 |
| 2025-10 | 3 |
| 2025-11 | 0 |
| 2025-12 | 2 |
| 2026-01 | 0 |
| 2026-02 | 1 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 1 |
| 2026-06 | 7 |
| 2026-07 | 4 |
| 2026-08 | 7 |
| 2026-09 | 8 |
Severity
How the 81 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical5
- High58
- Medium18
Latest CVEs
The 15 most recently published vulnerabilities affecting Microsoft Exchange Server 2016 Cumulative Update 23.
- CVE-2026-69641Microsoft Exchange Server Elevation of Privilege Vulnerability9.1
- CVE-2026-69382Microsoft Exchange Server Information Disclosure Vulnerability5.9
- CVE-2026-69380Microsoft Exchange Server Elevation of Privilege Vulnerability8.1
- CVE-2026-69378Microsoft Exchange Server Denial of Service Vulnerability7.5
- CVE-2026-69375Microsoft Exchange Server Tampering Vulnerability6.5
- CVE-2026-69356Microsoft Exchange Server Spoofing Vulnerability9.3
- CVE-2026-69361Microsoft Exchange Server Spoofing Vulnerability6.5
- CVE-2026-69355Microsoft Exchange Server Remote Code Execution Vulnerability8.8
- CVE-2026-62911Microsoft Exchange Server Elevation of Privilege Vulnerability8.0
- CVE-2026-65813Microsoft Exchange Server Elevation of Privilege Vulnerability6.5
- CVE-2026-62915Microsoft Exchange Server Security Feature Bypass Vulnerability6.5
- CVE-2026-62914Microsoft Exchange Server Spoofing Vulnerability7.3
- CVE-2026-62913Microsoft Exchange Server Remote Code Execution Vulnerability8.8
- CVE-2026-62912Microsoft Exchange Server Denial of Service Vulnerability6.5
- CVE-2026-62910Microsoft Exchange Server Elevation of Privilege Vulnerability7.2
Product grouping is registry-driven, with AI assist and human review. How it works