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Not in CISA KEV
HIGH severity

CVE-2026-113934 — Apple MACOS

HIGH

CVE-2026-113934 is a high-severity (CVSS 7.8) vulnerability in apple macos. A fix is available — see the affected versions and patch details below.

The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27.2. An app may be able to cause unexpected system termination or corrupt kernel memory.

Published
Updated
Affected
1 product
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 1, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs9th percentile — riskier than 9% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27.2. An app may be able to cause unexpected system termination or corrupt kernel memory.

Affected Products

1 product · 1 configurations
OS
macosapple
≥ 27.0 && < 27.2
range

Detection & mitigation playbook

Vendor / appliance

  1. Detect

    Inventory every apple macos deployment and check each version against the affected-products list above.

  2. Fix

    Apply the apple macos security patch or hotfix for CVE-2026-113934 on the affected version, following the vendor advisory for your exact build.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27.2. An app may be able to cause unexpected system termination or corrupt kernel memory.
O3 Security · Runtime Protection

Is CVE-2026-113934 being exploited in your environment?

Detect and block the exploit chain at execution, on systems you cannot patch yet.

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CVE-2026-113934: Apple MACOS (High 7.8)