CVE-2026-78439
Microsoft Office Graphics Component Remote Code Execution Vulnerability
En bref
- Sévérité
- HIGH 8.8
- EPSS
- EPSS 0.84 % · centile 58 (2026-10-27)
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- microsoft
- Statut NVD
- Undergoing Analysis
Description
Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD · secure@microsoft.com (Secondary) |
Faiblesses (CWE)
Références européennes
- ENISA EUVD · EUVD-2026-73296
- GCVE · GCVE-0-2026-78439
Avis du CERT-FR
- CERTFR-2026-AVI-1145 — Multiples vulnérabilités dans Microsoft Office · cert.ssi.gouv.fr
Produits affectés
| Produit | Versions |
|---|---|
| Microsoft · Microsoft Office 365 for Mac | affected 1.0.0 < 16.113.26091433 |
| Microsoft · Microsoft Office for Android | affected 16.0.1 < 16.0.20430.20000 |
| Microsoft · Microsoft Office LTSC for Mac 2021 | affected 16.0.1 < 16.113.26091433 |
| Microsoft · Microsoft Office LTSC for Mac 2024 | affected 16.0.0 < 16.113.26091433 |
Références
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 |