Cyber Resilience

CVE-2026-28940

High

Published: 11 May 2026

Published
11 May 2026
Modified
22 May 2026
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0060 44.2th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-28940 is a high-severity Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) vulnerability in Apple Ipados. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Client Execution (T1203); ranked at the 44.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The issue was addressed with improved memory handling. 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 Tahoe 26.5, tvOS 26.5, visionOS 26.5. Processing a maliciously crafted image may corrupt…

more

process memory.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
Why these techniques?

CWE-119 memory corruption in image processing directly enables client-side exploitation for code execution (T1203).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-28905Same product: Apple Ipados
CVE-2025-43186Same product: Apple Ipados
CVE-2026-28990Same product: Apple Ipados
CVE-2026-28955Same product: Apple Ipados
CVE-2025-24230Same product: Apple Ipados
CVE-2025-24211Same product: Apple Ipados
CVE-2025-24190Same product: Apple Ipados
CVE-2026-43658Same product: Apple Ipados
CVE-2025-31277Same product: Apple Ipados
CVE-2025-31278Same 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
15.0 — 15.7.7 · 26.0 — 26.5
apple
tvos
≤ 26.5
apple
visionos
≤ 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-119

Ongoing control assessments and code testing (static/dynamic analysis, fuzzing) surface memory buffer restriction failures, which are then remediated before release.

addresses: CWE-119

Managed runtimes used by platform-independent applications (e.g., JVM, CLR) enforce memory safety, preventing most buffer overflows that require direct memory manipulation.

addresses: CWE-119

Memory protections (e.g., W^X, ASLR) make exploitation of buffer-boundary violations far harder to turn into code execution.

addresses: CWE-119

Detects exploitation attempts that produce memory corruption, crashes, or anomalous behavior.

References