Vulnerability details
CVE-2025-27489
Microsoft Azure Stack HCI OSMicrosoft Azure Stack OS HCI
Azure Local Elevation of Privilege Vulnerability
CVSS 3.1
7.8High
Official description
Improper input validation in Azure Local allows an authorized attacker to elevate privileges locally.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.8High | 3.1 | CVEProject cvelistV5 (CNA) (microsoft) | CVSS:3.1/AV:L/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 | Azure Stack HCI OS | 10.0.25398.0 ≤ v < 10.0.25398.1486 | CVEProject cvelistV5 (CNA) |
| Microsoft | Azure Stack OS HCI | 10.0.20349.0 ≤ v < 10.0.20348.3328 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27489 vendor-advisorypatch
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Details
- Published
- 2025-04-08
- Last updated
- 2026-08-10
- State
- Published
- Assigner (CNA)
- microsoft
Exploit prediction (EPSS)
0.62%
Probability of exploitation in 30 days
50.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-20Improper Input Validation