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CVE-2025-53782

Опубликовано: 14 окт. 2025
Источник: msrc
CVSS3: 8.4
EPSS Низкий

Описание

Microsoft Exchange Server Elevation of Privilege Vulnerability

Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.

FAQ

How could an attacker exploit this vulnerability?

To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.

Additionally, an attacker could convince a local user to open a malicious file. The attacker would have to convince the user to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.

What privileges could be gained by an attacker who successfully exploited the vulnerability?

The attacker would be able to take over the mailboxes of all Exchange users, read emails, download attachments.

Обновления

ПродуктСтатьяОбновление
Microsoft Exchange Server 2016 Cumulative Update 23
Microsoft Exchange Server 2019 Cumulative Update 14
Microsoft Exchange Server 2019 Cumulative Update 15
Microsoft Exchange Server Subscription Edition RTM

Показывать по

Возможность эксплуатации

Publicly Disclosed

No

Exploited

No

Latest Software Release

Exploitation Less Likely

EPSS

Процентиль: 15%
0.00048
Низкий

8.4 High

CVSS3

Связанные уязвимости

CVSS3: 8.4
nvd
23 дня назад

Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.

CVSS3: 8.4
github
23 дня назад

Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.

EPSS

Процентиль: 15%
0.00048
Низкий

8.4 High

CVSS3