Security readout for executives and security teams
Plain-English summary
Azure Cloud Shell contains a critical command-injection weakness that could let an unauthenticated network attacker deceive a user and potentially compromise confidentiality, integrity, and availability. Successful exploitation requires user interaction. The supplied evidence does not identify affected versions or confirm active exploitation.
Executive priority
Treat this as an urgent validation and remediation item because the potential business impact is severe and exploitation needs only user interaction. Prioritize Cloud Shell users with privileged Azure access. Do not claim compromise or active exploitation without additional evidence.
Technical view
CVE-2026-35428 is a CWE-77 command-injection vulnerability in Azure Cloud Shell. It is remotely reachable, requires no privileges, and requires user interaction. Its CVSS 3.1 score is 9.6 with changed scope and high potential impact across confidentiality, integrity, and availability. The precise vulnerable component, attack path, and affected versions are not provided.
Likely exposure
Organizations whose users access Azure Cloud Shell may be exposed, particularly where untrusted links, content, or network interactions can reach those users. Because the supplied affected-version value is unspecified, inventory alone cannot conclusively determine vulnerability. Confirm service status and applicability through Microsoft's advisory.
Exploitation context
The CVSS vector indicates a low-complexity, network-based attack requiring no authentication but requiring victim interaction. The CVE describes spoofing enabled by command injection. CISA KEV status is false in the supplied bundle, and no cited evidence confirms public or active exploitation.
Researcher notes
The public bundle establishes CWE-77, remote unauthenticated reachability, required user interaction, changed scope, and high impact. It does not provide vulnerable versions, component-level details, indicators of compromise, or technical remediation specifics. The CVSS exploit-maturity metric is unproven, while remediation level indicates an official fix.
Mitigation direction
- Review the Microsoft advisory for applicability and the official remediation.
- Apply Microsoft's specified update or service-side correction where applicable.
- Restrict Cloud Shell access to users who require it until remediation is confirmed.
- Warn users against interacting with untrusted Cloud Shell links or prompts.
Validation and detection
- Inventory teams and identities that use Azure Cloud Shell.
- Confirm remediation status against the Microsoft advisory and tenant communications.
- Review relevant Cloud Shell and identity logs for suspicious activity.
- Verify affected users understand the required-interaction risk and reporting process.
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-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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-2026-35428 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
- 9.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C2.86microsoftVulnerability scoring details
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 Cloud Shell Spoofing 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 Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.