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CVE-2026-63512

Опубликовано: 11 авг. 2026
Источник: msrc
CVSS3: 6.5
EPSS Низкий

Описание

Microsoft SharePoint Server Tampering Vulnerability

Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to perform tampering over a network.

FAQ

What could an attacker achieve by exploiting this vulnerability?

An attacker could exploit this vulnerability to make unauthorized modifications to protected system data. This could allow the attacker to alter system state or configuration beyond their normal privileges.

There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software?

Yes. Customers should apply all updates offered for the software installed on their systems. If multiple updates apply, they can be installed in any order.

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.

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: 39%
0.00484
Низкий

6.5 Medium

CVSS3

Связанные уязвимости

CVSS3: 6.5
nvd
2 дня назад

Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to perform tampering over a network.

CVSS3: 6.5
github
2 дня назад

Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to perform tampering over a network.

EPSS

Процентиль: 39%
0.00484
Низкий

6.5 Medium

CVSS3