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Mallory
Critical

Command Injection Spoofing Vulnerability in Azure Cloud Shell

IdentifiersCVE-2026-35428CWE-77· Improper Neutralization of Special…

CVE-2026-35428 is a Critical command injection vulnerability in Azure Cloud Shell caused by improper neutralization of special elements used in a command. The issue is classified as CWE-77. According to the provided Microsoft and CVE context, the flaw exists in the Azure Cloud Shell service and could be exploited by an unauthorized attacker over a network. The published CVSS v3.1 vector is AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H, indicating network reachability, low attack complexity, no privileges required, user interaction required, and high potential impact to confidentiality, integrity, and availability. The CVE record also indicates the service is an exclusively hosted service.

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For your environment

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows an unauthorized attacker to perform spoofing over a network. Based on the published CVSS vector, exploitation may also have high downstream impact on confidentiality, integrity, and availability within the affected security scope. The scope change in the CVSS vector suggests the effects of exploitation may extend beyond the initially vulnerable component.

Mitigation

If you can’t patch tonight, do this now.

No customer mitigation is required. Microsoft reports that the issue has been fully mitigated by Microsoft in the hosted Azure Cloud Shell service.

Remediation

Patch, then assume compromise.

No customer remediation is required. Microsoft states that the vulnerability in Azure Cloud Shell has already been fixed on the service side.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
Microsoft CorporationAzure Cloud Shellapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity7

Community discussion across Reddit, Mastodon, and other social sources.