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CVE-2026-28866 is a symlink validation vulnerability in the Clipboard component of Apple operating systems. Insufficient validation of symbolic links could allow a local application to cause Clipboard-related file access to resolve through an attacker-controlled symlink target, resulting in unauthorized access to sensitive user data. Apple addressed the issue by improving symlink validation. The vulnerability affects iOS, iPadOS, and macOS releases prior to iOS 18.7.7, iPadOS 18.7.7, iOS 26.4, iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, and macOS Tahoe 26.4.
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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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A symlink validation issue that may allow an app to access sensitive user data.
A symlink validation issue in macOS Sequoia that could allow an app to access sensitive user data.
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.