Cyber Resilience

CVE-2026-28986

High

Published: 11 May 2026

Published
11 May 2026
Modified
12 May 2026
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0006 18.2th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-28986 is a high-severity Race Condition (CWE-362) vulnerability in Apple Macos. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 18.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A race condition was addressed with additional validation. 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, tvOS 26.5, watchOS 26.5. An app may be…

more

able to cause unexpected system termination.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
Why these techniques?

Race condition (CWE-362) directly enables local app-triggered system crash via exploitation, matching T1499.004 Endpoint Denial of Service (Application or System Exploitation).

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

CVEs Like This One

CVE-2026-20650Same product: Apple Ipados
CVE-2025-24129Same product: Apple Ipados
CVE-2026-28959Same product: Apple Ipados
CVE-2026-28983Same product: Apple Ipados
CVE-2026-28969Same product: Apple Ipados
CVE-2026-28953Same product: Apple Ipados
CVE-2026-28974Same product: Apple Ipados
CVE-2026-28846Same product: Apple Ipados
CVE-2026-28913Same product: Apple Ipados
CVE-2024-54551Same 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
apple
tvos
≤ 26.5
apple
watchos
≤ 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-362

Accurate timestamps from internal clocks enable detection of race conditions by providing reliable event ordering in audit logs.

addresses: CWE-362

Coordination of concurrent security activities reduces the probability that shared resources will be accessed simultaneously without proper synchronization.

References