CVE Catalog

CVE-2026-86876

MediumCVSS 5.2
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.11%

1th percentile - higher than 1% of all known CVEs

Summary

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in multiple Apple systems (iOS, iPadOS, macOS, visionOS, watchOS). A sandboxed process may be able to circumvent sandbox restrictions.

Risk Assessment

An attacker with limited access may gain elevated privileges, potentially leading to system integrity compromise.

Recommendation

Update the system to the versions listed in the description to obtain security fixes.

Related vulnerabilities

Original NVD description (English source)

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27, watchOS 27. A sandboxed process may be able to circumvent sandbox restrictions.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS