Cyber Resilience

CVE-2026-28907

High

Published: 11 May 2026

Published
11 May 2026
Modified
14 May 2026
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS Score 0.0030 22.1th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-28907 is a high-severity Improper Input Validation (CWE-20) vulnerability in Apple Ipados. Its CVSS base score is 8.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Drive-by Compromise (T1189); ranked at the 22.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

The issue was addressed with improved input validation. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, 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…

more

prevent Content Security Policy from being enforced.

CWE(s)

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

CSP bypass via malicious web content directly enables drive-by compromise (T1189) and client execution exploitation (T1203).

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

CVEs Like This One

CVE-2024-27859Same product: Apple Ipados
CVE-2025-43234Same product: Apple Ipados
CVE-2026-28947Same product: Apple Ipados
CVE-2026-28883Same product: Apple Ipados
CVE-2026-28955Same product: Apple Ipados
CVE-2025-43209Same product: Apple Ipados
CVE-2025-31277Same product: Apple Ipados
CVE-2025-31278Same product: Apple Ipados
CVE-2025-31273Same product: Apple Ipados
CVE-2024-54543Same 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
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.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-116

Validating that output matches expected content directly mitigates failures to properly encode or escape data for its destination context.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References