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CVE-2026-43716

Published: Jun 29, 2026Updated: Jun 30, 2026 Sources: CVE List NVDCWE-119
6.5MEDIUM
NVD MITRE
EPSS Score
0.6%
Top 55.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

The issue was addressed with improved memory handling. 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 an unexpected Safari crash.

In plain language

AI Low urgency

CVE-2026-43716 is a Safari/iPhone/iPad/Mac Safari bug where malicious web content can crash the browser, so you should update Safari/iOS/macOS to the fixed versions if you use it regularly.

Executive summary

CVE-2026-43716 is a Safari web-content memory-handling flaw (CWE-119/CWE-416) that can be triggered when a user processes crafted web content, leading to an unexpected Safari crash.

If affected, business impact
Browser crashes during workDisrupted customer or staff browsingPotential service interruption riskLoss of unsaved work/session

What to do now

  1. Check which system you’re using (macOS, iOS, or iPadOS) and confirm your current version/build.
  2. Check the Safari version you’re running on that device (it updates with the OS on Apple devices).
  3. Update immediately to the fixed versions: Safari 26.5.2 (Safari), iOS 26.5.2, iPadOS 26.5.2, and macOS Tahoe 26.5.2.
  4. After updating, test that Safari can open the sites you normally use and that your usual extensions (if any) still load.
Usually a quick update

CVSS Vector Breakdown

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

Weaknesses

CWE-119CWE-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-2026-43716?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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