Azure MCP Server Tools Elevation of Privilege Vulnerability
Published Mar 10, 2026
8.8
HIGHCVSS 3.1
EPSS 0.86%
Description
Server-side request forgery (ssrf) in Azure MCP Server allows an authorized attacker to elevate privileges over a network.
Affected products
-
- Version 1.0.0StatusaffectedConstraints<1.0.2
- Version
-
- Version 1.0.0StatusaffectedConstraints<1.0.2
- Version
-
- Version 2.0.0-beta.1StatusaffectedConstraints<2.0.0-beta.17
- Version
-
- Version 2.0.0-beta.1StatusaffectedConstraints<2.0.0-beta.17
- Version
-
- Version 2.0.0-beta.1StatusaffectedConstraints<2.0.0-beta.17
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Azure MCP Server Tools 1.0.0 (NuGet) | n/a |
| ||||||
| Microsoft | Azure MCP Server Tools 1.0.0 (npm) | n/a |
| ||||||
| Microsoft | Azure MCP Server Tools 2.0.0 (NuGet) | n/a |
| ||||||
| Microsoft | Azure MCP Server Tools 2.0.0 (PyPi) | n/a |
| ||||||
| Microsoft | Azure MCP Server Tools 2.0.0 (npm) | n/a |
|
- < 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
- 2.0.0
No data.
No Red Hat product state for this CVE.
Azure.Mcp
NuGet
Introduced 2.0.0-beta.1 Fixed 2.0.0-beta.17Azure.Mcp
NuGet
Introduced 1.0.0 Fixed 1.0.2@azure/mcp
npm
Introduced 2.0.0-beta.1 Fixed 2.0.0-beta.17@azure/mcp
npm
Introduced 1.0.0 Fixed 1.0.2msmcp-azure
PyPI
Introduced 2.0.0b14 Fixed 2.0.0b17
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| NuGet | Azure.Mcp | 2.0.0-beta.1 | 2.0.0-beta.17 |
| NuGet | Azure.Mcp | 1.0.0 | 1.0.2 |
| npm | @azure/mcp | 2.0.0-beta.1 | 2.0.0-beta.17 |
| npm | @azure/mcp | 1.0.0 | 1.0.2 |
| PyPI | msmcp-azure | 2.0.0b14 | 2.0.0b17 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
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
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Mar 10, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Mar–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.86% (0.00861) | 57.01th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.96% (0.00959) | 56.72th | v5 (v2026.06.15) |
| Mar 11, 2026 | 0.06% (0.00057) | 17.64th | v4 (v2025.03.14) |
References (6)
- https://github.com/advisories/GHSA-hhfx-wfvq-7g9c Advisory
- https://github.com/microsoft/mcp/commit/804ff60293206c4d8e832f772097238561bf2c34
- https://github.com/microsoft/mcp/releases/tag/Azure.Mcp.Server-1.0.2
- https://github.com/microsoft/mcp/releases/tag/Azure.Mcp.Server-2.0.0-beta.17
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26118 vendor-advisorypatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-26118
Change history (0)
No recorded changes yet.