CVE-2026-112424 Apple CVE debrief

Who should care

Defenders responsible for macOS systems, particularly those exposed to untrusted apps, should assess their exposure and apply patches. This includes IT teams managing macOS deployments, security teams monitoring system logs, and administrators responsible for app installations. Prioritizing patching and restricting app installations to trusted sources can help mitigate potential risks associated with this vulnerability.

Why it matters

CVE-2026-112424 is an out-of-bounds read vulnerability in macOS systems that could allow an app to cause unexpected system termination or read kernel memory. Defenders should prioritize patching affected systems and restricting app installations to trusted sources.

• Potential unexpected system termination
• Possible kernel memory read by a malicious app
• Need for patch verification and application
• Importance of restricting app installations to trusted sources

Technical summary

The vulnerability is an out-of-bounds read issue addressed with improved bounds checking in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, and macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or read kernel memory due to inadequate bounds checking. This issue can be mitigated by patching affected systems and restricting app installations to trusted sources. The vulnerability does not require authentication or user interaction to exploit, making it a high-priority issue for defenders to address.

Defensive priority

Defenders should prioritize verifying and applying patches for affected macOS systems, particularly those exposed to untrusted apps.

Recommended defensive actions

• Verify and apply patches for macOS Golden Gate 27.2, macOS Sequoia 15.8.2, and macOS Tahoe 26.7.2
• Restrict app installation to trusted sources
• Monitor system logs for unexpected termination or suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability and affected systems. Apple support pages offer patches for the issue. The vulnerability is identified as an out-of-bounds read issue, and the affected systems include macOS Golden Gate 27.2, macOS Sequoia 15.8.2, and macOS Tahoe 26.7.2. The CVE record was published on 2026-10-26T21:17:32.083Z and has not been modified since then. The NVD entry provides additional information on the vulnerability and its potential impact.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.