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CVE-2026-64598

8.8 · HIGH
Published Aug 6, 2026 EPSS 0.28% (20th pctl)

Overview

CVE-2026-64598 is a high-severity vulnerability. It was published on August 6, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

smb/client: Fix error code in smb2_aead_req_alloc()

The "*num_sgs" variable is a u32 so "ERR_PTR(*num_sgs)" doesn't work.

We would have to do something similar to the previous line where it's

cast to int and then long. However, it's simpler to store the return in

an int ret variable.

This bug would eventually result in a crash when dereference the invalid

error pointer.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Frequently Asked Questions

What is CVE-2026-64598?

CVE-2026-64598 is a high-severity vulnerability. It was published on August 6, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-64598?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-64598?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-64598?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-64598 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.