HOMEVULNERABILITIESCVE-2026-43659
MEDIUM

CVE-2026-43659

Published: May 11, 2026· Updated: May 12, 2026

4.7
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:7.0th

Official Description

A race condition was addressed with additional validation. 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 Sonoma 14.8.7, macOS Tahoe 26.5, visionOS 26.5. An app may be able to access sensitive user data.

NVD Source

Technical Analysis

CVE-2026-43659 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 4.7.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

Apple4 products
ipadosiphone osmacosvisionos
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (6)

https://support.apple.com/en-us/127110Release Notes · Vendor Advisory
https://support.apple.com/en-us/127111Release Notes · Vendor Advisory
https://support.apple.com/en-us/127115Release Notes · Vendor Advisory
https://support.apple.com/en-us/127116Release Notes · Vendor Advisory
https://support.apple.com/en-us/127117Release Notes · Vendor Advisory
https://support.apple.com/en-us/127120Release Notes · Vendor Advisory

Quick Facts

CVE IDCVE-2026-43659
CVSS Score4.7 / 10
SeverityMEDIUM
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedMay 11, 2026

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-43659 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.