Arbitrary Code Execution in Apple iOS, iPadOS, macOS, watchOS, and tvOS
CVE-2023-40400 is an Apple vulnerability affecting iPhone 8 and later, supported iPad models, and corresponding Apple platforms fixed in tvOS 17, iOS 17, iPadOS 17, watchOS 10, and macOS Sonoma 14. Apple states that a remote user may cause unexpected app termination or arbitrary code execution, and that the issue was addressed with improved checks. The available advisory text does not identify the specific component or function involved, but indicates the flaw is reachable remotely and can be triggered through crafted input or content processed by the affected software.
Are you exposed to this one?
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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.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A remotely triggerable issue that could cause unexpected app termination or arbitrary code execution; addressed with improved checks.
Vulnerabilità di gestione dei percorsi (path handling) che può consentire a un'app di ottenere privilegi root; corretta con migliore validazione.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.