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CVE-2024-40850 is a file access vulnerability affecting multiple Apple operating systems, including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. The issue was caused by insufficient input validation in file access handling. A malicious application could exploit this weakness to improperly access user-sensitive data that should not have been available to it. Apple addressed the issue through improved input validation in the affected file access path.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A file access/input validation issue that could allow an app to access user-sensitive data; addressed with improved input validation.
File access/input validation issue that could allow an app to access user-sensitive data.
A file access/input validation flaw that could allow an app to access user-sensitive data on Apple TV devices.
A macOS entitlements issue that could allow access to removable volumes without user consent; addressed with improved entitlements.
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.