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CVE-2026-43814

Apple iPadOS use-after-free

9.8 CRITICALEPSS 0.59%
  1. Published27 Jul 2026

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Apple iPadOS< 26.6
Apple iPhone OS< 26.6
Apple macOS≥ 26.0 < 26.6
Apple Tvos< 26.6
Apple Watchos< 26.6

Remediation

Fixed in
Apple iPadOS≥ 26.6
Apple iPhone OS≥ 26.6
Apple macOS≥ 26.6
Apple Tvos≥ 26.6
Apple Watchos≥ 26.6

References

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Frequently asked

Is CVE-2026-43814 being actively exploited?

CVE-2026-43814 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.59%.

How severe is CVE-2026-43814?

CVE-2026-43814 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.59% probability of exploitation.

Which products are affected by CVE-2026-43814?

Affected products include Apple iPadOS, Apple iPhone OS, Apple macOS, Apple Tvos, Apple Watchos.

How do I fix CVE-2026-43814?

Upgrade affected software to a fixed version, for example Apple iPadOS 26.6, Apple iPhone OS 26.6, Apple macOS 26.6 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-43814 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.