CVE-2026-45503 Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network

Description

Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.

Produits et versions touchés

Produit	Versions touchées	Corrigé en
Microsoft Exchange Server 2016 Cumulative Update 23 15.01	15.01.0.0 → < 15.01.2507.071	15.01.2507.071
Microsoft Exchange Server 2019 Cumulative Update 14 15.02	15.02.0.0 → < 15.02.1544.043	15.02.1544.043
Microsoft Exchange Server 2019 Cumulative Update 15 15.02	15.02.0.0 → < 15.02.1748.048	15.02.1748.048
Microsoft Exchange Server Subscription Edition RTM 15.02	15.02.0.0 → < 15.02.2562.045	15.02.2562.045

Autres CVE de Microsoft Exchange Server 2016 Cumulative Update 23

Les 88 CVE de Microsoft Exchange Server 2016 Cumulative Update 23 →

CVE-2026-87695 Inclusion of functionality from untrusted control sphere in Microsoft Exchange Server allows an authorized attacker to… 7.8 Élevée CVE-2026-87692 Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges… 7.8 Élevée CVE-2026-70279 Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows… 9.3 Critique CVE-2026-87696 Improper verification of cryptographic signature in Microsoft Exchange Server allows an authorized attacker to elevate… 7.5 Élevée