Vulnerability details
CVE-2026-118207
Microsoft Exchange Server
Microsoft Exchange Server Remote Code Execution Vulnerability
CVSS 3.1
8.8High
Official description
Improper input validation in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
Related news
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (microsoft) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Microsoft | Microsoft Exchange Server Subscription Edition RTM | 15.02.0.0 ≤ v < 15.02.2562.057 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118207 vendor-advisorypatch
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Details
- Published
- 2026-11-10
- Last updated
- 2026-11-11
- State
- Published
- Assigner (CNA)
- microsoft
- Kolun priority
- 23 · Low
Exploit prediction (EPSS)
No EPSS score has been published for this CVE yet.
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-706Use of Incorrectly-Resolved Name or Reference