azure-keyvault-administration: Improper Restriction of Communication Channel to Intended Endpoints
CVE-2026-85925 is a high-severity improper restriction of communication channel to intended endpoints vulnerability in azure-keyvault-administration from Microsoft, with a CVSS 3.1 base score of 8.2 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. The record lists version 4.8.1 as the first without the flaw, so updating azure-keyvault-administration to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.53% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update azure-keyvault-administration to 4.8.1 or a later version.
- Update azure-keyvault-certificates to 4.9.1 or a later version.
- Update azure-keyvault-keys to 4.10.1 or a later version.
- Read the advisory on msrc.microsoft.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Microsoft | azure-keyvault-administration | 4.7.1 up to, but not including, 4.8.1 | 4.8.1 |
| Microsoft | azure-keyvault-certificates | 4.11.2 up to, but not including, 4.9.1 | 4.9.1 |
| Microsoft | azure-keyvault-keys | 4.11.2 up to, but not including, 4.10.1 | 4.10.1 |
| Microsoft | azure-keyvault-secrets | 4.11.2 up to, but not including, 4.11.1 | 4.11.1 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- HighSuccess depends on conditions outside the attacker's control.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- ChangedThe attack can reach beyond the vulnerable component into other systems.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N. Scored by CNA (microsoft.com).
Official description
Improper restriction of communication channel to intended endpoints in Azure Key Vault allows an authorized attacker to elevate privileges over a network.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Restriction of Communication Channel to Intended Endpoints
The product establishes a communication channel to (or from) an endpoint for privileged or protected operations, but it does not properly ensure that it is communicating with the correct endpoint.
More Improper Restriction of Communication Channel to Intended Endpoints vulnerabilities (CWE-923)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Recent Improper Restriction of Communication Channel to Intended Endpoints vulnerabilities
- 7.0 High severity
- 9.0 Critical severity
- 9.1 Critical severity
- 8.8 High severity
- 7.4 High severity
- 10.0 Critical severity
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