High

Kernel memory corruption / system termination in Apple OSes (iOS/iPadOS/macOS)

IdentifiersCVE-2024-44227CWE-119

CVE-2024-44227 is a memory-handling flaw fixed by Apple with “improved memory handling” in iOS 18, iPadOS 18, and macOS Sequoia 15. Per Apple’s advisory text, a malicious app may be able to trigger unexpected system termination or corrupt kernel memory, indicating a kernel-memory corruption condition reachable from an app context.

For your environment

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

A malicious app can cause a device-level denial of service via unexpected system termination and may be able to corrupt kernel memory, which can destabilize the system and potentially enable further exploitation depending on the nature of the corruption.

Mitigation

If you can’t patch tonight, do this now.

No specific mitigations are provided in the supplied content beyond applying the vendor update. As a risk-reduction measure, restrict installation/execution of untrusted apps until patched.

Remediation

Patch, then assume compromise.

Upgrade to a fixed release: iOS 18, iPadOS 18, or macOS Sequoia 15 (or later security updates containing the fix).

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

AppleIpadosoperating_system

AppleIphone Osoperating_system

AppleMacosoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

2 SOURCESView more in app

apple supportNews

Jan 26, 2026

About the security content of iOS 18 and iPadOS 18 - Apple Support

A Wi‑Fi integrity issue that could allow an attacker to force disconnection from a secure network; addressed with Beacon Protection.

apple supportNews

Jan 25, 2026

About the security content of iOS 18 and iPadOS 18 - Apple Support

Integrity issue in secure networking addressed with Beacon Protection; could allow forced disconnection from a secure network.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity