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Microsoft Sharepoint Enterprise Server 2016 CVE-2026-56157

| EUVDEUVD-2026-44233 MEDIUM
Improper Access Control (CWE-284)
2026-07-14 microsoft GHSA-p7vq-vr5c-p2r6
5.4
CVSS 3.1 · Vendor: microsoft
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Severity by source

Vendor (microsoft) PRIMARY
5.4 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
ENISA EUVD
HIGH
qualitative

Primary rating from Vendor (microsoft).

CVSS VectorVendor: microsoft

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

1
CVE Published
Jul 14, 2026 - 17:09 cve.org
MEDIUM 5.4

DescriptionCVE.org

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

Analysis

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

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CVE-2026-56164 CRITICAL POC
9.8 Jul 14

Privilege elevation in Microsoft SharePoint Server (Enterprise Server 2016, Server 2019, and Subscription Edition) lets

CVE-2026-45659 HIGH POC
8.8 May 22

Authenticated remote code execution in Microsoft SharePoint (Enterprise Server 2016, Server 2019, and Subscription Editi

CVE-2026-58644 CRITICAL POC
9.8 Jul 14

Remote code execution in Microsoft SharePoint (Enterprise Server 2016, Server 2019, and Server Subscription Edition) all

CVE-2026-50522 CRITICAL
9.8 Jul 14

Remote code execution in Microsoft SharePoint Server (2016, 2019, and Subscription Edition) lets an unauthenticated atta

CVE-2026-55040 CRITICAL
9.1 Jul 14

Security feature bypass in Microsoft SharePoint (Enterprise Server 2016, Server 2019, and Server Subscription Edition) l

CVE-2026-58277 HIGH
8.8 Jul 14

Privilege elevation in Microsoft SharePoint Server (Enterprise Server 2016 and Server 2019) allows an authenticated netw

CVE-2026-55052 HIGH
8.8 Jul 14

Privilege escalation in Microsoft SharePoint Server (Enterprise Server 2016, Server 2019, and Subscription Edition) lets

CVE-2026-55034 HIGH
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Cross-site scripting (CWE-79) in on-premises Microsoft SharePoint Server allows an authenticated, low-privileged attacke

CVE-2026-55021 HIGH
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Spoofing via stored cross-site scripting in Microsoft SharePoint (Enterprise Server 2016, Server 2019, and Subscription

CVE-2026-55033 HIGH
7.8 Jul 14

Local code execution in Microsoft Word (and Office/SharePoint components that render Word content) stems from an integer

CVE-2026-55038 HIGH
7.8 Jul 14

Arbitrary code execution in Microsoft Office Word (and the broader Office/365/SharePoint family) arises from a stack-bas

CVE-2026-55132 HIGH
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Local code execution in Microsoft Word (part of Microsoft 365 Apps, Office 2019, Office LTSC 2021/2024, and Office for M

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CVE-2026-56157 vulnerability details – vuln.today

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