CVE-2026-78574 (CVSS 7.5)

Description

The Okta Hyperdrive Integration plugin resolves a required assembly using a registry path within the current user's hive without integrity verification. The referenced path is loaded via Assembly.LoadFrom without signature validation, resulting in an unverified assembly executing within the context of the host process or elevated installer.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

EPSS — Exploit Prediction

0.0010

Probability of exploitation

0.01%

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-426 CWE-426

References

Other References

https://trust.okta.com/security-advisories/improper-assembly-resolution-in-okta-hyperdrive-integration-plugin-registry-handling-cve-2026-78574

Frequently Asked Questions

What is CVE-2026-78574? +

The Okta Hyperdrive Integration plugin resolves a required assembly using a registry path within the current user's hive without integrity verification. The referenced path is loaded via Assembly.LoadFrom without signature validation, resulting in an unverified assembly executing within the context of the host process or elevated installer. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-78574? +

CVE-2026-78574 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0010, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-78574? +

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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