CVE-2026-20603

MEDIUMNVD 4.44.4—Trending — 3 sources updated this week

4.4

This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Tahoe 26.3. An app with root privileges may be able to access private information.

CVSS v3: 4.4
EG Score: 4.4(medium)
EPSS: 5.7%
KEV: Not listed

Published

February 11, 2026

Last Modified

February 18, 2026

References (1)

product-security@applehttps://support.apple.com/en-us/126348

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-284Improper Access Control

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 14:01 UTCEG score recompute
2026-05-29 14:01 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2026-20603?

CVE-2026-20603 is a medium vulnerability published on February 11, 2026. This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Tahoe 26.3. An app with root privileges may be able to access private information.

When was CVE-2026-20603 disclosed?

CVE-2026-20603 was first published in the National Vulnerability Database on February 11, 2026, with the most recent update on February 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-20603 actively exploited?

CVE-2026-20603 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-20603?

CVE-2026-20603 has a CVSS v3 base score of 4.4 (NVD).

How do I remediate CVE-2026-20603?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20603, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-20603

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CVE-2026-20603

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-20603?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)