CVE-2026-43793
Apple macOS
CRITICAL 9.8
At a glance
- Source
- NVD
- EPSS
- EPSS 0.58 % · percentile 48 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- apple
- NVD status
- Analyzed
Description
An issue existed in the handling of environment variables. This issue was addressed with improved validation. 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 cause unexpected system termination.
Weaknesses (CWE)
- CWE-20 — Improper Input Validation
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-49557
- GCVE · GCVE-0-2026-43793
CERT-FR advisories
- CERTFR-2026-AVI-0938 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*≥ 14.0 < 14.8.8cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*≥ 15.0 < 15.7.8cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*≥ 26.0 < 26.6
Affected products
| Product | Versions |
|---|---|
| Apple · macOS | affected 0 < 14.8.8 ; affected 0 < 15.7.8 ; affected 0 < 26.6 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |