Cyber Resilience

CVE-2026-28947

HighUpdated

Published: 11 May 2026

Published
11 May 2026
Modified
30 June 2026
KEV Added
—
Patch
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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 0.0038 29.8th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-28947 is a high-severity Use After Free (CWE-416) vulnerability in Apple Ipados. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Drive-by Compromise (T1189); ranked at the 29.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected…

more

Safari crash.

CWE(s)
CWE-416

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1189 Drive-by Compromise Initial Access
Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
Why these techniques?

Use-after-free in Safari via malicious web content directly enables drive-by compromise and client-side exploitation for code execution.

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

CVEs Like This One

CVE-2026-28883Same product: Apple Ipados
CVE-2024-54499Same product: Apple Ipados
CVE-2025-43529Same product: Apple Ipados
CVE-2024-27859Same product: Apple Ipados
CVE-2026-28907Same product: Apple Ipados
CVE-2026-28969Same product: Apple Ipados
CVE-2025-24085Same product: Apple Ipados
CVE-2026-43668Same product: Apple Ipados
CVE-2026-28955Same product: Apple Ipados
CVE-2025-43209Same 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
visionos
≤ 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.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References