CVE-2026-20675 is an information disclosure vulnerability in Apple’s ImageIO component affecting multiple Apple operating systems, including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. The flaw is triggered when ImageIO processes a maliciously crafted image. Apple states the issue was addressed with improved bounds checks, indicating an out-of-bounds read or related bounds-validation failure during image parsing. Available context further associates the issue with SGI image file parsing in ImageIO on macOS, where insufficient validation of attacker-controlled image data can lead to unintended memory access and exposure of user information.
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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.
14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
ImageIO image parsing issue leading to disclosure of user information.
Image processing flaw causing process memory disclosure; fixed with improved memory handling.
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.