CVE-2026-28821HIGH 8.4EPSS p11.2%

CVE-2026-28821CVE-2026-28821

Description

A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to gain elevated privileges.

Scoring

CVSS 3.18.4 (HIGH)
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.21% probability of exploitation · percentile 11.2% · 2026-06-18T12:00:27Z
Published2026-03-25
Last modified2026-03-26

Underlying weaknesses· 1

CWE-20

References

  1. https://support.apple.com/en-us/126794
  2. https://support.apple.com/en-us/126795
  3. https://support.apple.com/en-us/126796

1

TypeTargetConfidenceTier
WeaknessImproper Input Validationcwe-200%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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CVE-2026-28891
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CVE-2026-28817
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CVE-2025-24181
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CVE-2026-20631
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CVE-2025-43261
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CVE-2026-28978
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.