CVE-2026-64790

HIGH
Published Sep 14, 2026 Modified Sep 16, 2026 CWE-22

Description

A path handling issue was addressed with improved validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to gain elevated privileges.

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CVSS v3.1 Score

7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0020
Probability of exploitation
0.09%
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.

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor Product
apple macos
apple macos

References

Frequently Asked Questions

What is CVE-2026-64790? +
A path handling issue was addressed with improved validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to gain elevated privileges. It has a CVSS v3.1 base score of 7.8 (HIGH).
How severe is CVE-2026-64790? +
CVE-2026-64790 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0020, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-64790? +
CVE-2026-64790 affects products from apple, specifically: macos. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-64790? +
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.

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