CVE-2026-65334 is a WebKit memory corruption vulnerability affecting Apple platforms including iOS, iPadOS, and macOS. The flaw is triggered when Safari or another WebKit-based application processes maliciously crafted web content. Apple states the issue was addressed through improved state management. Available information indicates the observable impact is an unexpected Safari crash during web content processing, and the underlying bug class is memory corruption.
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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.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A WebKit memory-corruption vulnerability that could crash Safari via crafted web content.
A memory corruption vulnerability in Apple web content processing that may cause Safari to crash.
A memory corruption vulnerability in macOS Tahoe triggered by maliciously crafted web content.
A memory corruption issue in web content processing that may cause Safari to crash 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.