CVE-2026-20618 — MEDIUM (5.5)

Q: What is CVE-2026-20618?

CVE-2026-20618 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An issue was addressed with improved handling of temporary files. This issue is fixed in macOS Tahoe 26.3. An app may be able to access user-sensitive data.

Q: How severe is CVE-2026-20618?

CVE-2026-20618 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-2026-20618?

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

Vulnerability Description

An issue was addressed with improved handling of temporary files. This issue is fixed in macOS Tahoe 26.3. An app may be able to access user-sensitive data.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Apple	Macos	< 26.3

Related Weaknesses (CWE)

CWE-377

References

https://support.apple.com/en-us/126348Release NotesVendor Advisory

FAQ

What is CVE-2026-20618?

CVE-2026-20618 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An issue was addressed with improved handling of temporary files. This issue is fixed in macOS Tahoe 26.3. An app may be able to access user-sensitive data.

How severe is CVE-2026-20618?

CVE-2026-20618 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-2026-20618?

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