CVE-2026-45501
MEDIUM
6.5
CVSS 3.1
Metadata
Severity & Metrics
6.5
MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
SSVC — CISA Coordinator
Affected products (4)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 23 | x64-based Systems | 15.01.0.0 < 15.01.2507.069 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 14 | x64-based Systems | 15.02.0.0 < 15.02.1544.041 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 15 | x64-based Systems | 15.02.0.0 < 15.02.1748.046 |
| Microsoft | Microsoft Exchange Server Subscription Edition RTM | x64-based Systems | 15.02.0.0 < 15.02.2562.043 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-918 | cna | CWE-918: Server-Side Request Forgery (SSRF) |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 6.5 | MEDIUM | 3.1 | cna | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
References (1)
- Microsoft Exchange Server Spoofing Vulnerability https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45501