Out-of-bounds write in Apple Kernel
CVE-2026-28972 is a kernel vulnerability in Apple operating systems caused by an out-of-bounds write. Apple states the issue was addressed with improved input validation. Successful exploitation by a local app may trigger memory corruption in kernel context, leading to unexpected system termination or the ability to write to kernel memory. The issue affects multiple Apple platforms prior to the fixed releases, including iOS/iPadOS, macOS, tvOS, visionOS, and watchOS.
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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
25 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A kernel-level out-of-bounds write vulnerability in Apple iOS/iPadOS that could allow an app to cause unexpected system termination or write kernel memory.
A kernel vulnerability that may allow an app to cause unexpected system termination or write kernel memory.
An out-of-bounds write vulnerability in macOS Tahoe that may allow an app to cause unexpected system termination or write kernel memory.
An out-of-bounds write vulnerability that could allow an app to crash the system or write to kernel memory.
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.