Cyber Resilience

CVE-2026-43655

High

Published: 11 May 2026

Published
11 May 2026
Modified
13 May 2026
KEV Added
Patch
CVSS Score v3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0005 17.3th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-43655 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Apple Ipados. Its CVSS base score is 7.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 17.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. An app may be able to cause unexpected system termination or read kernel memory.

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.
T1212 Exploitation for Credential Access Credential Access
Adversaries may exploit software vulnerabilities in an attempt to collect credentials.
Why these techniques?

Kernel out-of-bounds read from user-space app directly enables exploitation for privilege escalation (info leak to bypass protections) and credential access.

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

CVEs Like This One

CVE-2026-20611Same product: Apple Ipados
CVE-2026-28991Same product: Apple Ipados
CVE-2024-54517Same product: Apple Ipados
CVE-2026-20687Same product: Apple Ipados
CVE-2025-24107Same product: Apple Ipados
CVE-2024-54468Same product: Apple Ipados
CVE-2024-54522Same product: Apple Ipados
CVE-2025-24196Same product: Apple Macos
CVE-2026-28832Same product: Apple Macos
CVE-2025-31255Same product: Apple Ipados

Affected Assets

apple
ipados
≤ 26.5
apple
iphone os
≤ 26.5
apple
macos
26.0 — 26.5
apple
tvos
≤ 26.5
apple
watchos
≤ 26.5

Mitigating Controls

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

References