Kernel buffer overflow in Apple operating systems
CVE-2026-28897 is a kernel vulnerability in Apple platforms described by Apple as a buffer overflow that was addressed with improved input validation. The issue affects the Kernel component across multiple Apple operating systems, including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Apple’s advisory does not disclose the specific vulnerable function or code path, but the flaw is characterized as a memory-safety error in kernel-space processing reachable by a local user. Successful exploitation could trigger unexpected system termination or permit reading kernel memory.
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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
21 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A kernel vulnerability that may allow a local user to cause unexpected system termination or read kernel memory.
A buffer overflow vulnerability in macOS Tahoe that may allow a local user to cause unexpected system termination or read kernel memory.
A buffer overflow vulnerability in macOS Sonoma that may allow a local user to cause system termination or read kernel memory.
A buffer overflow vulnerability in Apple TV software that could let a local user cause system termination or read 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.