CVE-2025-43302

MEDIUM

5.5

CVSS Score

Published: September 15, 2025 at 10:35 PM UTC

Updated: October 18, 2026 at 09:10 PM UTC

6 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in tvOS 26, macOS Sonoma 14.8, macOS Sequoia 15.7, iOS 18.7 and iPadOS 18.7, visionOS 26, watchOS 26, macOS Tahoe 26, iOS 26 and iPadOS 26. An app may be able to cause unexpected system termination.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iPadOS · Apple

95%

All versionsv < 18.7

Affected range stops below 18.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 26, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

All versionsv < 18.7

macOS · Apple

95%

All versions14.0 ≤ v < 14.815.0 ≤ v < 15.7

Affected range stops below 14.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 26, so it looks safe — our inference, not a vendor statement

tvOS · Apple

95%

All versionsv < 26.0

Affected range stops below 26, so it looks safe — our inference, not a vendor statement

visionOS · Apple

95%

All versionsv < 26.0

Affected range stops below 26, so it looks safe — our inference, not a vendor statement

watchOS · Apple

95%

All versionsv < 26.0

Affected range stops below 26, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (14)

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/125108

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/125109

Source: [email protected]

https://support.apple.com/en-us/125110

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/125111

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/125112

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/125114

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/125115

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/125116

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP

Attack Vector: LOCAL
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-787

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