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CVE-2026-28962 is an information disclosure vulnerability in Apple WebKit affecting Safari and multiple Apple operating systems. When WebKit processes maliciously crafted web content, sensitive user information may be disclosed. Apple indicates the issue was addressed through improved access restrictions, which suggests the flaw involved insufficient restriction of access to protected data or resources during web content handling. The vulnerability was fixed in Safari 26.5, iOS 18.7.9, iPadOS 18.7.9, iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, and visionOS 26.5.
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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.
12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An Apple web content processing issue that may disclose sensitive user information when handling maliciously crafted web content.
An access restriction issue in Apple software for macOS Sonoma and macOS Sequoia where maliciously crafted web content may disclose sensitive user information.
A WebKit information disclosure vulnerability where maliciously crafted web content may disclose sensitive user information.
A web content vulnerability in macOS Tahoe that may disclose sensitive user information.
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.