CVE-2026-20679

mediumpriority · track · 0EPSS 0.004 · 29 %ileDEUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.36% (29th) EPSS

CVSS 4.3 · medium

Is it mine?

9 products

Check your exposure

Who says so?

2 sources

cert_bund · nvd

EPSS · scored 2026-10-27

The issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. Processing a maliciously crafted file may lead to unexpected app termination.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Lsecondaryexploitability 2.8 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USCWE-416US

affected products (9)

Products and version ranges known to be affected.

Apple macOS Sequoia <15.7.5all versionscert_bundDE
Apple macOS Sonoma <14.8.5all versionscert_bundDE
Apple macOS Tahoe <26.4all versionscert_bundDE
Apple macOS≤ Sonoma <14.8.5cert_bundDE
Apple macOS≤ Sequoia <15.7.5cert_bundDE
Apple macOS≤ Tahoe <26.4cert_bundDE
apple macos14.0 → 14.8.5nvdUScpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple macos15.0 → 15.7.5nvdUScpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple macos26.0 → 26.4nvdUScpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-0853Apple macOS: Mehrere SchwachstellenDeutsch2026-03-24csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Apple macOS ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um Dateien zu manipulieren, und um seine Privilegien zu erhöhen.

sources

Which sources assert this record, and when.

cert_bund nvd NVD CVE.org MITRE

published 2026-08-21modified 2026-10-18

references (3) nvd

External citations — patches, advisories, analysis.

https://support.apple.com/en-us/126794Release NotesVendor Advisory
https://support.apple.com/en-us/126795Release NotesVendor Advisory
https://support.apple.com/en-us/126796Release NotesVendor Advisory

scry

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