HOMEVULNERABILITIESCVE-2026-43668
HIGH

CVE-2026-43668

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

7.5
CVSS v3.1
EPSS:0.10%probability of exploitation in 30 daysPercentile:27.7th

Official Description

A use after free issue was addressed with improved memory management. 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, tvOS 26.5, visionOS 26.5, watchOS 26.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

NVD Source

Technical Analysis

CVE-2026-43668 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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 availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

Apple6 products
ipadosiphone osmacostvosvisionoswatchos
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://support.apple.com/en-us/127110
ADVISORYhttps://support.apple.com/en-us/127111
ADVISORYhttps://support.apple.com/en-us/127115
ADVISORYhttps://support.apple.com/en-us/127116
ADVISORYhttps://support.apple.com/en-us/127117
ADVISORYhttps://support.apple.com/en-us/127118
ADVISORYhttps://support.apple.com/en-us/127119
ADVISORYhttps://support.apple.com/en-us/127120

All References (8)

→
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/127118Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/127119Release Notes · Vendor Advisory
→
https://support.apple.com/en-us/127120Release Notes · Vendor Advisory

Quick Facts

CVE IDCVE-2026-43668
CVSS Score7.5 / 10
SeverityHIGH
CISA KEVNo
EPSS (30d)0.10%
Affected1 vendor
PublishedMay 11, 2026

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-43668 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.
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