Security readout for executives and security teams
Plain-English summary
A highly privileged, authorized attacker could exploit improper access controls in Azure API Management to run code remotely. Successful exploitation could compromise sensitive data, alter services, or disrupt availability. The available sources do not identify affected versions, so organizations using APIM should promptly confirm applicability through Microsoft guidance.
Executive priority
Treat this as a high-priority cloud control-plane risk. Assign owners to establish exposure and apply Microsoft guidance promptly. Immediate emergency action is most warranted where privileged APIM access is broad, poorly monitored, or potentially compromised.
Technical view
CVE-2026-35425 is a CWE-284 improper access control vulnerability in Azure API Management. Its CVSS 3.1 score is 8.0: network-accessible, high complexity, high privileges required, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to Azure API Management deployments where an attacker already has high privileges and can reach the vulnerable service over a network. The source bundle provides no affected-version range, deployment-tier distinction, or configuration prerequisites, preventing precise exposure determination.
Exploitation context
The vulnerability requires an authorized attacker with high privileges and has high attack complexity. It is not listed in CISA KEV, and the supplied sources provide no evidence of active exploitation or public exploit availability. Absence from KEV does not prove exploitation has never occurred.
Researcher notes
The evidence establishes improper access control and remote code execution impact but omits affected versions, vulnerable components, prerequisites beyond authorization, and technical root-cause details. The CVSS vector indicates high privileges and high complexity. Avoid assuming all APIM instances or service tiers are affected until Microsoft confirms applicability.
Mitigation direction
- Review Microsoft’s CVE advisory to determine whether each APIM deployment is affected.
- Apply Microsoft’s published update or mitigation according to the vendor advisory.
- Restrict privileged APIM access to approved identities and trusted network paths.
- Review and reduce unnecessary APIM administrative permissions.
Validation and detection
- Inventory all Azure API Management instances, subscriptions, regions, and management endpoints.
- Compare each deployment’s status with the applicability details in Microsoft’s advisory.
- Confirm Microsoft’s update or mitigation is applied across every affected instance.
- Review privileged APIM activity for unexpected configuration changes or code-execution indicators.
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-284: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-35425 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
- High
- CVSS
- 8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/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:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C1.36microsoftVulnerability scoring details
Base CVSS 3.1 score
8HighVector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/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 API Management (APIM) Remote Code Execution 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.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.