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CVE-2026-43717 is a use-after-free vulnerability in Apple's WebRTC component. The flaw affects Safari and Apple operating systems that include the vulnerable WebRTC code path, including Safari 26.5.2 prior to patching, iOS 18.7.10 and iPadOS 18.7.10 prior to patching, iOS 26.5.2 and iPadOS 26.5.2 prior to patching, macOS Tahoe 26.5.2 prior to patching, tvOS 26.6 prior to patching, and watchOS 26.6 prior to patching. Apple states that processing maliciously crafted web content can trigger the issue and that it was addressed through improved memory management. Successful triggering leads to an unexpected Safari crash.
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No public exploit code observed for this vulnerability.
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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 WebRTC vulnerability where processing maliciously crafted web content may lead to an unexpected Safari crash.
A use-after-free vulnerability in web content processing that could cause an unexpected Safari crash.
A macOS Tahoe web content processing vulnerability involving use-after-free that may cause an unexpected Safari crash.
A use-after-free vulnerability in Apple web content processing that could cause an unexpected Safari crash.
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.