CVE-2026-112556

MEDIUMCVSS 4.8/10EPSS 0.37%

Last modified

CVE-2026-112556 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. A race condition was addressed with additional validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

A race condition was addressed with additional validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An attacker may tamper with code-signed applications to execute arbitrary code in the application's context.

Metrics

EPSS Probability
0.37%

31.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AppleMacos>= 15.0, < 15.8.2
AppleMacos>= 26.0, < 26.7.2
AppleMacos>= 27.0, < 27.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-112556?
A race condition was addressed with additional validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An attacker may tamper with code-signed applications to execute arbitrary code in the application's context.
How severe is CVE-2026-112556?
CVE-2026-112556 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.
How do I fix CVE-2026-112556?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST