7.8
Élevée
Exploitée
CVE-2026-21509 Microsoft Office Security Feature Bypass Vulnerability
Exploitation active constatée
· catalogue CISA KEV
Action attendue
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Campagnes de rançongiciel
Non constatée à ce jour
Faiblesse
CWE-807
Description
Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized attacker to bypass a security feature locally.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Microsoft Office 2019 16.0 | premières → < 16.0.10417.20095 | 16.0.10417.20095 |
| Microsoft 365 Apps for Enterprise 16.0 | 16.0.1 → dernières | Pas de correctif indiqué |
| Microsoft Office LTSC 2021 16.0 | 16.0.1 → dernières | Pas de correctif indiqué |
| Microsoft Office LTSC 2024 16.0 | 16.0.0 → dernières | Pas de correctif indiqué |
| Microsoft Office 2016 16.0 | 16.0.0 → < 16.0.5539.1001 | 16.0.5539.1001 |
Références
- Microsoft Office Security Feature Bypass Vulnerability msrc.microsoft.com
Chronologie
- Publiée
- Ajoutée au catalogue KEV
- Dernière modification
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