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CVE-2026-43717 is a use-after-free vulnerability in Apple’s WebRTC component affecting Safari and Apple operating systems that include the vulnerable web-content processing code. The flaw is triggered when Safari processes maliciously crafted web content, causing freed memory to be reused incorrectly. Apple states the issue was addressed through improved memory management. Reported fixed versions include Safari 26.5.2, iOS 18.7.10, iPadOS 18.7.10, iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, and watchOS 26.6.
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What an attacker gets, and what they’ve been doing with it.
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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 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.