Логотип exploitDog
Консоль
Логотип exploitDog

exploitDog

msrc логотип

CVE-2026-56157

Опубликовано: 14 июл. 2026
Источник: msrc
CVSS3: 5.4
EPSS Низкий

Описание

Microsoft SharePoint Server Spoofing Vulnerability

Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

FAQ

I am running SharePoint Server 2016. Do the updates for SharePoint Enterprise Server 2016 also apply to the version I am running?

Yes. The same KB number applies to both SharePoint Server 2016 and SharePoint Enterprise Server 2016. Customers running either version should install the security update to be protected from this vulnerability.

According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L), and integrity (I:L) but lead to no loss of availability (A:N). What is the impact of this vulnerability?

An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality), make changes to disclosed information (Integrity), but cannot limit access to the resource (Availability).

Обновления

ПродуктСтатьяОбновление
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft SharePoint Server Subscription Edition

Показывать по

Возможность эксплуатации

Publicly Disclosed

No

Exploited

No

Latest Software Release

Exploitation Less Likely

EPSS

Процентиль: 28%
0.00356
Низкий

5.4 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.4
nvd
17 дней назад

Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS3: 5.4
github
17 дней назад

Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS3: 5.4
fstec
18 дней назад

Уязвимость пакетов программ Microsoft SharePoint Server, Microsoft SharePoint Server Subscription Edition и Microsoft SharePoint Enterprise Server, связанная с ошибками разграничения доступа, позволяющая нарушителю проводить спуфинг-атаки

EPSS

Процентиль: 28%
0.00356
Низкий

5.4 Medium

CVSS3