Security readout for executives and security teams
Plain-English summary
A missing authorization check in Azure DNS may let an unauthenticated remote attacker gain elevated privileges. Microsoft rates the issue at CVSS 10.0, with potential for major integrity and availability impact. The supplied evidence does not identify affected versions or describe the exact privilege gained.
Executive priority
Treat this as an immediate priority for Azure DNS users. Assign cloud and security owners to establish exposure, follow Microsoft’s remediation, and examine relevant logs. Escalate any unexplained DNS or privilege changes through incident response.
Technical view
CVE-2026-58275 is a CWE-862 missing-authorization vulnerability in Azure DNS. Its CVSS 3.1 vector indicates network access, low complexity, no privileges, no user interaction, changed scope, and high integrity and availability impact. The vector reports no confidentiality impact and marks exploit maturity as unproven.
Likely exposure
Organisations using Azure DNS should assume potential exposure until Microsoft guidance confirms whether their tenants or configurations are affected. The source bundle provides no affected version range, configuration prerequisites, or reliable method for determining exposure.
Exploitation context
The supplied record does not establish active exploitation, and the vulnerability is not listed as KEV in the bundle. Its CVSS exploit-maturity value is unproven. However, unauthenticated network reachability, low complexity, and changed scope make credible exposure urgent to address.
Researcher notes
Public evidence is limited to the record and Microsoft reference. Affected versions, vulnerable authorization path, resulting privilege level, prerequisites, indicators, and remediation mechanics are not supplied. Avoid inferring tenant-specific exploitability until Microsoft publishes sufficient technical scope.
Mitigation direction
- Review the Microsoft advisory for current affected-service and remediation details.
- Apply Microsoft’s official remediation within an emergency change window.
- Restrict Azure DNS administrative access and permissions where operationally feasible.
- Monitor Microsoft guidance for service-side remediation or required customer actions.
Validation and detection
- Inventory subscriptions and tenants using Azure DNS.
- Compare deployed services and configurations with Microsoft’s affected-scope guidance.
- Verify Microsoft’s prescribed remediation is applied across every affected tenant.
- Review Azure activity and DNS change logs for unexpected administrative actions.
- Confirm monitoring alerts cover unauthorized DNS or permission changes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-58275 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 10 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H/E:U/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H/E:U/RL:O/RC:C3.95.8microsoftVulnerability scoring details
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H/E:U/RL:O/RC:C
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- Azure DNS Elevation of Privilege VulnerabilityCVE reference, microsoft · vendor-advisory, patch
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.