10.0
Critique
CVE-2026-56191 Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tampering over a network
Description
Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tampering over a network.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Microsoft Exchange Online | Versions non publiées |
Références
- Microsoft Exchange Online Tampering Vulnerability msrc.microsoft.com
Chronologie
- Publiée
- Dernière modification
Autres CVE de Microsoft Exchange Online
Les 7 CVE de Microsoft Exchange Online →
CVE-2026-96185
Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute code over a network
7.5
Élevée
CVE-2026-65801
Server-side request forgery (ssrf) in Microsoft Exchange Online allows an unauthorized attacker to elevate privileges…
10.0
Critique
CVE-2026-54998
Incorrect authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network
8.8
Élevée
CVE-2026-48582
Missing authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network
9.6
Critique