CVE-2026-43704

MEDIUM

5.3

CVSS Score

Published: June 29, 2026 at 07:42 PM UTC

Updated: July 27, 2026 at 09:34 PM UTC

7 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity

MEDIUM5.3

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

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. A malicious web extension may be able to cause an unexpected process crash.

Affected

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

iPadOS · Apple

95%

v < 26.5.2

Affected range stops below 26.5.2, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 26.5.2

Affected range stops below 26.5.2, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 26.5.2

Affected range stops below 26.5.2, so it looks safe — our inference, not a vendor statement

Safari · Apple

95%

v < 26.5.2

Affected range stops below 26.5.2, so it looks safe — our inference, not a vendor statement

tvOS · Apple

60%

v < 26.6

Affected range stops below 26.6, so it looks safe — our inference, not a vendor statement

visionOS · Apple

60%

v < 26.6

Affected range stops below 26.6, so it looks safe — our inference, not a vendor statement

watchOS · Apple

60%

v < 26.6

Affected range stops below 26.6, 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 (6)

Vendor Advisory

Source: cverecord

https://support.apple.com/en-us/127594

Vendor Advisory

Source: cverecord

https://support.apple.com/en-us/127595

Vendor Advisory

Source: cverecord

https://support.apple.com/en-us/127685

Source: cverecord

https://support.apple.com/en-us/128068

Source: cverecord

https://support.apple.com/en-us/128069

Source: cverecord

https://support.apple.com/en-us/128070

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.3MEDIUMCISA-ADP

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-416

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