Cyber Resilience

CVE-2026-28951

High

Published: 11 May 2026

Published
11 May 2026
Modified
12 May 2026
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0001 1.5th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-28951 is a high-severity Incorrect Authorization (CWE-863) vulnerability in Apple Macos. Its CVSS base score is 7.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 1.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An authorization issue was addressed with improved state management. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to gain…

more

root privileges.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
Why these techniques?

Authorization bypass (CWE-863) in local app context directly enables exploitation for root privilege escalation on macOS/iOS.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

CVEs Like This One

CVE-2024-40771Same product: Apple Ipados
CVE-2025-30456Same product: Apple Ipados
CVE-2024-44305Same product: Apple Macos
CVE-2026-20677Same product: Apple Ipados
CVE-2025-24154Same product: Apple Ipados
CVE-2026-20626Same product: Apple Ipados
CVE-2026-20667Same product: Apple Ipados
CVE-2024-44227Same product: Apple Ipados
CVE-2026-20615Same product: Apple Ipados
CVE-2026-20688Same product: Apple Ipados

Affected Assets

apple
ipados
≤ 18.7.9 · 26.0 — 26.5
apple
iphone os
≤ 18.7.9 · 26.0 — 26.5
apple
macos
14.0 — 14.8.7 · 15.0 — 15.7.7 · 26.0 — 26.5

Mitigating Controls

Likely Mitigating Controls AI

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.

addresses: CWE-863

Periodic review and update of procedures reduces incorrect authorization implementations over time.

addresses: CWE-863

Supervision identifies cases where authorization logic incorrectly permits unauthorized actions.

addresses: CWE-863

Defining permitted attribute values and auditing modifications reduces the chance of incorrect authorization outcomes due to tampered or missing labels.

addresses: CWE-863

The authorization process and usage restrictions help prevent incorrect authorization for remote access types.

addresses: CWE-863

Establishing configuration and connection requirements helps ensure correct rather than incorrect authorization for wireless access.

addresses: CWE-863

Establishing connection authorization processes for mobile devices helps ensure authorization decisions are correctly implemented rather than incorrect.

addresses: CWE-863

Monitoring account use, notifying on changes, and reviewing accounts for compliance corrects incorrect authorization assignments.

addresses: CWE-863

Ensures authorization decisions for external system use are correctly implemented and enforced.

References