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CVE-2025-43520

Published: Dec 12, 2025Updated: Dec 16, 2025 Sources: CVE List NVDCWE-787
7.1HIGH
NVD MITRE
EPSS Score
0.4%
Top 68.1%
CISA KEV
Active Exploitation
Since Mar 20, 2026
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious application may be able to cause unexpected system termination or write kernel memory.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

Apple
commercial·USaka apple inc., apple computer
iOS and iPadOSEmbeddedOS
Operating Systems / mobile-os
macOSOn-premOS
Operating Systems / unix-bsd
tvOSEmbeddedOS
Operating Systems / mobile-os
visionOSOS
Operating Systems / mobile-os
watchOSEmbeddedOS
Operating Systems / mobile-os
ipadosEmbeddedOS
Operating Systems / mobile-os
and 5 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Mar 20, 2026
Remediation due:Apr 3, 2026

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Official Patch Available
Is your org exposed to CVE-2025-43520?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/125632
support.apple.com
https://support.apple.com/en-us/125633
support.apple.com
https://support.apple.com/en-us/125634
support.apple.com
and 5 more references View all →
News mentions
1

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