CVE-2026-20618 — Insecure Temporary File in Apple Macos

CWE-377 — Insecure Temporary File5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 96.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Apple Macos
Timeline
PublishedFeb 11
Latest updateFeb 12

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 vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5apple/macos< 26.3
▶NVDapple/macos< 26.3

🔴Vulnerability Details

2
GHSA
GHSA-3cgw-cpcx-p7g4: An issue was addressed with improved handling of temporary files↗2026-02-12
▶
CVEList
CVE-2026-20618: An issue was addressed with improved handling of temporary files↗2026-02-11
▶

📋Vendor Advisories

1
Apple
CVE-2026-20618: macOS Tahoe 26.3↗2026-02-11
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-20618 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-20618 — Insecure Temporary File in Apple Macos | cvebase