CVE-2026-45503: fallo de gravedad alta en Microsoft Exchange Server 2016 Cumulative…
Microsoft Exchange Server Information Disclosure Vulnerability
Publicada el · Actualizada el
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.1epss 0.9%
probabilidad de explotación
0.9%top 43% de las CVE
explotación observada
noninguna fuente lo reporta
Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
Productos afectados
Microsoft · Microsoft Exchange Server 2016 Cumulative Update 23Microsoft · Microsoft Exchange Server 2019 Cumulative Update 14Microsoft · Microsoft Exchange Server 2019 Cumulative Update 15Microsoft · Microsoft Exchange Server Subscription Edition RTMCVEs relacionadas — Microsoft Exchange Server 2016 Cumulative…
En el mismo producto, de las más peligrosas a las menos.
CVE-2022-41082HIGHMicrosoft Exchange Server Remote Code Execution VulnerabilityEPSS 100.0%KEVCVE-2022-41040HIGHMicrosoft Exchange Server Elevation of Privilege VulnerabilityEPSS 100.0%KEVCVE-2022-41080HIGHMicrosoft Exchange Server Elevation of Privilege VulnerabilityEPSS 77.3%KEVCVE-2023-21529HIGHMicrosoft Exchange Server Remote Code Execution VulnerabilityEPSS 59.3%KEVCVE-2024-21410CRITICALMicrosoft Exchange Server Elevation of Privilege VulnerabilityEPSS 12.6%KEVCVE-2026-42897HIGHMicrosoft Exchange Server Spoofing VulnerabilityEPSS 0.5%KEV