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iOS 15.8.4 and iPadOS 15.8.4

Apple released iOS 15.8.4 and iPadOS 15.8.4 on 31/03/2025. 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: 31/03/2025

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The source check for this release hasn't completed in over 24 hours — some information may be out of date.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 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), iPod touch (7th generation).

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 1 vulnerability, including 1 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 15.8.4 and iPadOS 15.8.4, released 31/03/2025) fixes these vulnerabilities for the devices it covers.
  • What CISA reports: CVE-2025-43200 — Known exploited — added to CISA's Known Exploited Vulnerabilities catalogue on 16/06/2025 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 15.8.4) · iPadOS (versions from 16.0 before 16.7.11) · iPadOS (versions from 17.0 before 17.7.5) · iPadOS (versions from 18.0 before 18.3.1).

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

Technical details (1 vulnerability)

CVE-2025-43200

Impact: This issue was addressed with improved checks. This issue is fixed in iOS 15.8.4 and iPadOS 15.8.4, iOS 16.7.11 and iPadOS 16.7.11, iOS 18.3.1 and iPadOS 18.3.1, iPadOS 17.7.5, macOS Sequoia 15.3.1, macOS Sonoma 14.7.4, macOS Ventura 13.7.4, visionOS 2.3.1, watchOS 11.3.1.

Affected versions in the official record: iPadOS (versions before 15.8.4) · iPadOS (versions from 16.0 before 16.7.11) · iPadOS (versions from 17.0 before 17.7.5) · iPadOS (versions from 18.0 before 18.3.1)

Severity: 4.2 (CVSS 3.1)

Known exploited — added to CISA's Known Exploited Vulnerabilities catalogue on 16/06/2025 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-15-8-8 — 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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