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CVE-2026-43701 is a WebKit vulnerability affecting Apple platforms including Safari, iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. The flaw allows a malicious website to process restricted web content outside the intended sandbox boundary. Apple states the issue was addressed with improved checks, indicating insufficient enforcement of security restrictions during web content processing within WebKit. The vulnerability is a sandbox bypass in the browser web-content handling path rather than a memory-safety issue, and successful exploitation weakens isolation between untrusted web content and protected execution contexts.
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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.
12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A WebKit sandbox escape vulnerability that may allow a malicious website to process restricted web content outside the sandbox.
A WebKit vulnerability that may allow a malicious website to process restricted web content outside the sandbox.
A sandbox bypass vulnerability that could allow a malicious website to process restricted web content outside the sandbox.
A macOS Tahoe vulnerability that may allow a malicious website to process restricted web content outside the sandbox.
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.