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CVE-2026-86869 is an out-of-bounds write vulnerability in Apple image processing. Processing a maliciously crafted image can cause an application to terminate unexpectedly. The issue was addressed through improved bounds checking in iOS 26.7, iPadOS 26.7, and macOS Golden Gate 27. Separate reporting characterizes the issue as a possible zero-click iMessage vulnerability and alleges BlastDoor bypass and data-theft potential, but those claims conflict with the available vendor-style issue description and fixed-version information and are not independently confirmed.
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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.
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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.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical Apple zero-click iMessage vulnerability that could silently compromise affected iPhones, iPads, and Macs through a crafted message and bypass BlastDoor sandbox protections.
A zero-click iMessage vulnerability that can be triggered before a recipient opens the message, affecting iOS, iPadOS, and macOS 27.
An out-of-bounds write vulnerability triggered by processing a maliciously crafted image, which may cause unexpected application termination.
An unspecified vulnerability addressed in Apple iOS 26.7.
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.