HOMEVULNERABILITIESCVE-2026-43653
MEDIUM

CVE-2026-43653

Published: May 11, 2026· Updated: May 13, 2026

6.2
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:4.9th

Official Description

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 Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5. An attacker on the local network may be able to cause a denial-of-service.

NVD Source

Technical Analysis

CVE-2026-43653 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.2.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

Apple4 products
ipadosiphone osmacostvos
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 (5)

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/127117Release Notes · Vendor Advisory
https://support.apple.com/en-us/127118Release Notes · Vendor Advisory

Quick Facts

CVE IDCVE-2026-43653
CVSS Score6.2 / 10
SeverityMEDIUM
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedMay 11, 2026

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-43653 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.