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CVE-2026-43715 is a use-after-free vulnerability in WebKit, the browser engine used by Safari and other Apple platforms. The flaw occurs during processing of maliciously crafted web content and can result in memory corruption. Apple states the issue was addressed through improved memory management. The vulnerability affects Safari and Apple operating systems that include the vulnerable WebKit component, including releases prior to Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, and watchOS 26.6.
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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.
21 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A patched use-after-free vulnerability in WebKit addressed by Apple's out-of-band security updates.
A WebKit use-after-free vulnerability that can lead to memory corruption when processing maliciously crafted web content.
A WebKit use-after-free vulnerability that can lead to memory corruption when processing maliciously crafted web content.
A WebKit memory corruption vulnerability triggered by maliciously crafted web content.
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.