Vulnerability Intelligence Report
CVE-2026-84609
A permissions issue was addressed with improved path validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to modify protected system files.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:0.19%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-120 ↗CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Apple | iOS and iPadOS | 0 < 27 (affected) |
| Apple | macOS | 0 < 15.8 (affected), 0 < 26.7 (affected), 0 < 27 (affected) |
| Apple | tvOS | 0 < 27 (affected) |
| Apple | visionOS | 0 < 27 (affected) |
| Apple | watchOS | 0 < 27 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.195%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Apple Inc. · Vendor · USA |
| Reserved | 2026-09-01T21:13:23 |
| Published | 2026-09-14T20:48:17 |
| Last Updated | 2026-09-16T14:38:39 |
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