Sensitive Information Disclosure in Apple WebKit
CVE-2026-28962 is an Apple WebKit information disclosure vulnerability affecting Safari 26.5, iOS 18.7.9, iPadOS 18.7.9, iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, macOS Sonoma, macOS Sequoia, and visionOS 26.5. Apple states that processing maliciously crafted web content may disclose sensitive user information. The issue was addressed with improved access restrictions, indicating an access-control failure within WebKit’s handling of web content that allowed crafted content to access or expose data that should not have been available to the originating content or context. The provided material does not identify the specific vulnerable function or code path.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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.
Recent activity
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.
The version that knows your environment.
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.