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CVE-2026-28852 is a stack-based memory corruption vulnerability in Apple UIFoundation. The flaw is described as a stack overflow caused by insufficient input validation, and it can be triggered by a local application on affected Apple platforms. Apple addressed the issue by improving input validation. The vulnerability affects multiple Apple operating systems, including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS, prior to the patched releases.
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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.
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A stack overflow vulnerability that may allow an app to cause denial of service.
A stack overflow vulnerability in macOS Sequoia that could allow an app to cause a denial-of-service.
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.