CVE-2026-64699 — MEDIUM (5.5)

Q: How severe is CVE-2026-64699?

CVE-2026-64699 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-64699?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Macos.

Vulnerability Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to disclose kernel memory.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Apple	Macos	>= 14.0, < 14.8.8

Related Weaknesses (CWE)

CWE-457

References

https://support.apple.com/en-us/128067Release NotesVendor Advisory
https://support.apple.com/en-us/128071Release NotesVendor Advisory
https://support.apple.com/en-us/128072Release NotesVendor Advisory

FAQ

What is CVE-2026-64699?

CVE-2026-64699 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to disclose kernel mem...

How severe is CVE-2026-64699?

CVE-2026-64699 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-64699?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Macos.