What is the CVSS score of CVE-2026-28837?

CVE-2026-28837 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of macOS are affected by CVE-2026-28837?

CVE-2026-28837 is a logic flaw in macOS Tahoe (versions prior to 26.4) that enables unauthorized applications to bypass security controls and access sensitive user data, creating direct risk to…. A patch is available.

macOS CVE-2026-28837

EUVD-2026-15109 HIGH

Improper Access Control (CWE-284)

2026-03-25 apple

Authentication Bypass Apple macOS

7.5

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Updated

Apr 16, 2026 - 06:17 EUVD-patch-fix

executive_summary

Re-analysis Queued

Apr 16, 2026 - 05:29 backfill_euvd_patch

patch_released

Patch available

Apr 16, 2026 - 05:29 EUVD

26.4

EUVD ID Assigned

Mar 25, 2026 - 01:00 euvd

EUVD-2026-15109

Analysis Generated

Mar 25, 2026 - 01:00 vuln.today

CVE Published

Mar 25, 2026 - 00:32 nvd

HIGH 7.5

DescriptionNVD

A logic issue was addressed with improved checks. This issue is fixed in macOS Tahoe 26.4. An app may be able to access sensitive user data.

AnalysisAI

A logic flaw in macOS Tahoe allows applications to bypass security controls and access sensitive user data without proper authorization. The vulnerability affects macOS versions prior to 26.4 and is addressed through improved input validation and access control checks. …

RemediationAI

Within 24 hours: Identify all macOS Tahoe systems in your environment running versions prior to 26.4 and inventory affected devices. Within 7 days: Obtain and test macOS Tahoe version 26.4 or later in a controlled environment to validate compatibility with critical applications. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-28837 vulnerability details – vuln.today

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macOS CVE-2026-28837

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

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External POC / Exploit Code