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iOS 18.7.3 and iPadOS 18.7.3

Apple released iOS 18.7.3 and iPadOS 18.7.3 on 12/12/2025. This release fixes security vulnerabilities

Historical release — a newer release is available

This article is retained as a historical record. Follow the newer release for the device and software branch it covers; this does not establish whether an older branch is still supported.

Manufacturer release date: 12/12/2025

Article last updated: 05/10/2026

Sources last checked: 05/10/2026

The source check for this release hasn't completed in over 24 hours — some information may be out of date. The manufacturer's official page below is always the most current source.

What has changed

Apple publishes the fixed vulnerabilities in its security content advisory for this release. Use the official release page below for the current details.

Who should check

Covers: iPhone / iOS, iPad / iPadOS.

Applies to: iPhone XS, iPhone XS Max, iPhone XR, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, iPad mini 5th generation and later.

We don't know which software your device is running. The steps below show you how to check — then compare what you see with the affected versions listed here.

What to do

On the device, open Settings > General > Software Update and install the version Apple offers.

Updates only reach the model generations Apple lists for each release. Older devices stay on an older branch — check Apple's security releases page for which branch the model receives.

How to check, and how to update

iPhone

Check the version: On your iPhone, open Settings > General > About. The Software Version line shows what's installed.

Install the update: Open Settings > General > Software Update. If an update is listed, follow the instructions to download and install it.

iPad

Check the version: On your iPad, open Settings > General > About. The Software Version line shows what's installed.

Install the update: Open Settings > General > Software Update. If an update is listed, follow the instructions to download and install it.

Menus can differ slightly between models and software versions — if something looks different, follow the manufacturer's official page below.

Apple: Update the software on your iPhone or iPad

Security fixes in this release

This release fixes 8 vulnerabilities, including 2 known-exploited. Updating fixes all of them — the full technical record is collapsed below, open only if you want the detail.

Fixes known-exploited vulnerabilities

  • What the manufacturer reports: this release (iOS 18.7.3 and iPadOS 18.7.3, released 12/12/2025) fixes these vulnerabilities for the devices it covers.
  • What CISA reports: CVE-2025-43529, CVE-2025-14174 — Known exploited — added to CISA's Known Exploited Vulnerabilities catalogue on 15/12/2025 in CISA's Known Exploited Vulnerabilities catalogue.
  • What is unknown: whether your device is affected. We can't know which software your device runs, and owning a covered device doesn't mean it has been compromised — check the installed version with the steps above.

Affected versions: iPadOS (versions before 18.7.3) · iPadOS (versions from 26.0 before 26.2).

"Known exploited" comes from the CISA catalogue for the affected product components — it is not confirmed exploitation on your own device.

Technical details (8 vulnerabilities)

CVE-2025-43501

Impact: A buffer overflow issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2.

Affected versions in the official record: iPadOS (versions before 18.7.3) · iPadOS (versions from 26.0 before 26.2)

Severity: 4.3 (CVSS 3.1)

Source: Official CVE record (CVE List / NVD)

CVE-2025-43531

Impact: A race condition was addressed with improved state handling. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2.

Affected versions in the official record: iPadOS (versions before 18.7.3)

Severity: 3.1 (CVSS 3.1)

Source: Official CVE record (CVE List / NVD)

CVE-2025-43535

Impact: The issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2.

Affected versions in the official record: iPadOS (versions before 18.7.3) · iPadOS (versions from 26.0 before 26.2)

Severity: 4.3 (CVSS 3.1)

Source: Official CVE record (CVE List / NVD)

CVE-2025-46279

Impact: A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2.

Affected versions in the official record: iPadOS (versions before 18.7.3) · iPadOS (versions from 26.0 before 26.2)

Severity: 3.3 (CVSS 3.1) via NIST NVD

Source: Official CVE record (CVE List / NVD)

CVE-2025-43541

Impact: A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2.

Affected versions in the official record: iPadOS (versions before 18.7.3) · iPadOS (versions from 26.0 before 26.2)

Severity: 4.3 (CVSS 3.1)

Source: Official CVE record (CVE List / NVD)

CVE-2025-46311

Impact: An inconsistent user interface issue was addressed with improved state management. This issue is fixed in iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2.

Affected versions in the official record: iPadOS (versions before 18.7.3) · iPadOS (versions from 26.0 before 26.2)

Severity: 7.5 (CVSS 3.1)

Source: Official CVE record (CVE List / NVD)

CVE-2025-43529

Impact: A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2.

Affected versions in the official record: iPadOS (versions before 18.7.3) · iPadOS (versions from 26.0 before 26.2)

Severity: 8.8 (CVSS 3.1)

Known exploited — added to CISA's Known Exploited Vulnerabilities catalogue on 15/12/2025 This describes the CVE record — it isn't confirmed exploitation on this specific product, and it says nothing about your own device.

Source: Official CVE record (CVE List / NVD); CISA Known Exploited Vulnerabilities catalogue

CVE-2025-14174

Impact: Out of bounds memory access in ANGLE in Google Chrome on Mac prior to 143.0.7499.110 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High).

Affected versions in the official record: iPadOS (versions before 18.7.3) · iPadOS (versions from 26.0 before 26.2)

Severity: 8.8 (CVSS 3.1)

Known exploited — added to CISA's Known Exploited Vulnerabilities catalogue on 12/12/2025 This describes the CVE record — it isn't confirmed exploitation on this specific product, and it says nothing about your own device.

Source: Official CVE record (CVE List / NVD); CISA Known Exploited Vulnerabilities catalogue

Individual vulnerability details come from the official CVE record (CVE List / NVD) and the manufacturer's own advisory where published.

Official sources

Record history

  • 05/10/2026 — updated: Superseded by apple-iphone-ipad-18-7-10 — the current applicable release for these devices.
  • 05/10/2026 — published: Initial automated publication from official sources.

This article is automatically summarised from official sources. It isn't a manual editorial review. Guidance can help reduce risk. No setting or service can guarantee complete online safety.

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