Cyber Resilience

CVE-2026-28846

High

Published: 11 May 2026

Published
11 May 2026
Modified
13 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 0.0018 40.0th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-28846 is a high-severity Stack-based Buffer Overflow (CWE-121) 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 40.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A buffer overflow was addressed with improved bounds checking. 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, visionOS 26.5, watchOS 26.5. A…

more

remote attacker may be able to cause unexpected app 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?

Buffer overflow enables remote exploitation leading to application crash/termination (DoS via software exploitation).

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

CVEs Like This One

CVE-2025-24129Same product: Apple Ipados
CVE-2026-28953Same product: Apple Ipados
CVE-2026-20650Same product: Apple Ipados
CVE-2026-28959Same product: Apple Ipados
CVE-2026-28983Same product: Apple Ipados
CVE-2026-28969Same product: Apple Ipados
CVE-2026-28974Same product: Apple Ipados
CVE-2024-54551Same product: Apple Ipados
CVE-2025-30471Same product: Apple Ipados
CVE-2026-43661Same 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
visionos
≤ 26.5
apple
watchos
≤ 26.5

Mitigating Controls

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

References