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CVE-2026-43715

Published: Jun 29, 2026Updated: Jun 30, 2026 Sources: CVE List NVDCWE-416
8.8HIGH
NVD MITRE
EPSS Score
0.4%
Top 72.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to memory corruption.

In plain language

AI Worth attention

A serious Safari/iPhone/iPad/Mac browser bug lets a website potentially crash the browser or run code if you visit a specially crafted page; small businesses should update to the fixed versions.

Executive summary

CVE-2026-43715 is a use-after-free vulnerability (CWE-416) in Safari’s handling of maliciously crafted web content, allowing memory corruption that can lead to arbitrary code execution or crashes when a user opens a crafted webpage; it is fixed in Safari 26.5.2, iOS/iPadOS 26.5.2, and macOS Tahoe 26.5.2.

If affected, business impact
Browser takeover via malicious pageDevice compromise through SafariBusiness disruption from crashesPotential theft of sensitive data

What to do now

  1. Check which devices and OS/browser versions your business uses (Safari on macOS, and Safari in iOS/iPadOS).
  2. Update Safari to 26.5.2 on affected macOS versions.
  3. Update iOS and iPadOS to 26.5.2 on affected iPhone/iPad devices.
  4. Ensure users avoid opening unknown links until updates are applied, especially from email or chat messages.
Usually a quick update

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

Apple
commercial·USaka apple inc., apple computer
SafariOn-premDesktop App
Consumer Software / browser
iOS and iPadOSEmbeddedOS
Operating Systems / mobile-os
macOSOn-premOS
Operating Systems / unix-bsd
ipadosEmbeddedOS
Operating Systems / mobile-os
and 3 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-43715?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://support.apple.com/en-us/127594
support.apple.com
https://support.apple.com/en-us/127595
support.apple.com
https://support.apple.com/en-us/127685
support.apple.com
News mentions
2

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