Is CVE-2026-44463 in the CISA KEV catalog?

No. CVE-2026-44463 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-44463?

CVE-2026-44463 has a CVSS v3 base score of 8.6 (HIGH).

What is the EPSS score for CVE-2026-44463?

CVE-2026-44463 has an EPSS score of 0.23% (14th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-44463?

Upgrade zed to 0.229.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-44463

HIGH

8.6

CVSS v3

NVD

Description

Zed is a code editor. Prior to 0.229.0, Zed's terminal tool permission system can be bypassed by prepending environment variable assignments to allowlisted commands, hijacking program behavior (e.g., PAGER) to execute arbitrary code. This vulnerability is fixed in 0.229.0.

CWE-78OS Command Injection CWE-184

How to fix

Remediation Available

zedNVD

Affected:< 0.229.0Fixed in:0.229.0CVE-2026-44463derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Exploit Intelligence

0.23%probability of exploitation in 30 days

14thpercentile

Low risk: more likely to be exploited than 14% of all known CVEs.

References

Exploit1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-03.