Cyber Resilience

CVE-2026-28952

High

Published: 11 May 2026

Published
11 May 2026
Modified
13 May 2026
KEV Added
—
Patch
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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 0.0002 5.6th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-28952 is a high-severity Integer Overflow or Wraparound (CWE-190) 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 5.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to cause unexpected system termination.

CWE(s)
CWE-190

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.
attack.mitre.org →
Why these techniques?

Integer overflow in input validation allows local app to trigger system crash/termination (endpoint DoS via exploitation).

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

CVEs Like This One

CVE-2026-43656Same product: Apple Ipados
CVE-2026-28894Same product: Apple Ipados
CVE-2025-24177Same product: Apple Ipados
CVE-2026-20639Same product: Apple Macos
CVE-2024-44227Same product: Apple Ipados
CVE-2026-28944Same product: Apple Ipados
CVE-2026-28875Same product: Apple Ipados
CVE-2026-28874Same product: Apple Ipados
CVE-2026-28872Same product: Apple Ipados
CVE-2026-20652Same product: Apple Ipados

Affected Assets

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

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References