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CVE-2026-84524 is an out-of-bounds read in FontParser while processing a maliciously crafted font file. Insufficient bounds checking can cause the parser to read memory outside the intended buffer. Apple addressed the issue with improved bounds checking in iOS and iPadOS 26.7 and 27, macOS Sequoia 15.8, macOS Tahoe 26.7, macOS Golden Gate 27, tvOS 27, visionOS 27, and watchOS 27.
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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.
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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability addressed in Apple TV version 27.
An out-of-bounds read in font-file processing that can cause an application to terminate unexpectedly when it processes a maliciously crafted font file.
An unspecified vulnerability addressed in Apple iOS 26.7.
macOS Tahoe font-processing out-of-bounds read vulnerability.
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.