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CVE-2026-43794 is a WebKit memory corruption vulnerability affecting Apple iOS, iPadOS, and macOS. The flaw can be triggered when the target processes maliciously crafted web content. Apple described the issue as a memory corruption bug and stated it was addressed through improved memory handling. Affected platforms include iOS 18.7.10 and iPadOS 18.7.10 prior to the fix, iOS 26.6.1 and iPadOS 26.6.1 prior to the fix, and macOS Tahoe 26.6.2 prior to the fix. Successful exploitation occurs in the context of web content processing and may destabilize the affected process or corrupt memory.
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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.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A WebKit memory-corruption vulnerability that could be triggered by crafted web content.
A memory corruption vulnerability in Apple web content processing triggered by maliciously crafted web content.
A use-after-free vulnerability in macOS Tahoe that may cause unexpected process termination when processing malicious web content.
A memory corruption vulnerability in web content processing on affected Apple devices.
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.