Veille CVE
CVE-2026-55039
7.8 ÉlevéeDescription
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Produits concernés
- Microsoft 365 Apps for Enterprise
- Microsoft Excel 2016
- Microsoft Office 2019
- Microsoft Office 365 for Mac
- Microsoft Office LTSC 2021
- Microsoft Office LTSC 2024
- Microsoft Office LTSC for Mac 2021
- Microsoft Office LTSC for Mac 2024
- Microsoft Office Online Server
- Microsoft 365 apps
- Microsoft excel
- Microsoft microsoft 365
- Microsoft office 2021
- Microsoft office 2024
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.8 Élevée | secure@microsoft.com | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Faiblesses (CWE)
Références
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55039 PatchVendor Advisory