Cyber Posture

CVE-2026-44466

High
Microsoft: not affectedMSmacOS: not affectedMacLinux: not affectedLnxMobile: not affectedMobNetwork: not affectedNetApplication: not affectedAppOther: affectedOth

Published: 28 May 2026

Published
28 May 2026
Modified
28 May 2026
KEV Added
—
Patch
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CVSS Score 8.6 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0002 7.0th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-44466 is a high-severity OS Command Injection (CWE-78) vulnerability. Its CVSS base score is 8.6 (High).

Operationally, ranked at the 7.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Vulnerability

Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed via bash arithmetic expansion $((...)), allowing execution of arbitrary commands nested inside an allowlisted command like echo. This vulnerability is fixed in 0.229.0.

CWE(s)
CWE-78
OWASP Top 10 Web 2025
A05:2025

EU & UK References

Threat picture

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Defense & controls

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References