Cyber Resilience

CVE-2026-35428

CriticalRCE

Published: 07 May 2026

Published
07 May 2026
Modified
08 May 2026
KEV Added
—
Patch
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CVSS Score v3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0093 56.3th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-35428 is a critical-severity Command Injection (CWE-77) vulnerability in Microsoft Azure Cloud Shell. Its CVSS base score is 9.6 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 43.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

Improper neutralization of special elements used in a command ('command injection') in Azure Cloud Shell allows an unauthorized attacker to perform spoofing over a network.

CWE(s)
CWE-77

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
attack.mitre.org →
Why these techniques?

Command injection (CWE-77) in network-exposed Azure Cloud Shell directly enables remote command execution via T1190 (public app exploitation) and T1059.004 (Unix shell).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-32169Same product: Microsoft Azure Cloud Shell
CVE-2025-55227Same vendor: Microsoft
CVE-2026-32194Same vendor: Microsoft
CVE-2026-32183Same vendor: Microsoft
CVE-2026-20841Same vendor: Microsoft
CVE-2025-24049Same vendor: Microsoft
CVE-2026-23652Same vendor: Microsoft
CVE-2025-59252Same vendor: Microsoft
CVE-2025-59272Same vendor: Microsoft
CVE-2026-26133Same vendor: Microsoft

Affected Assets

microsoft
azure cloud shell
all versions

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References