Description

A path traversal issue was addressed with improved path validation. This issue is fixed in macOS Golden Gate 27. A malicious app may be able to delete files for which it does not have privileges.

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EPSS — Exploit Prediction

0.0016

Probability of exploitation

0.05%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://support.apple.com/en-us/149035

Frequently Asked Questions

What is CVE-2026-86877? +

A path traversal issue was addressed with improved path validation. This issue is fixed in macOS Golden Gate 27. A malicious app may be able to delete files for which it does not have privileges.

How do I check if I'm vulnerable to CVE-2026-86877? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.