CVE-2026-26114
Microsoft SharePoint Server Remote Code Execution Vulnerability
Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
INFO
Published Date :
March 10, 2026, 6:18 p.m.
Last Modified :
March 13, 2026, 5:07 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-26114
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Microsoft SharePoint to the latest version.
- Apply security patches for SharePoint.
- Review SharePoint access controls.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-26114.
| URL | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26114 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-26114 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-26114
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-26114 vulnerability anywhere in the article.
-
The Cyber Express
Microsoft Patch Tuesday March 2026: Two Zero-Days and Critical RCE Bugs Fixed
The Microsoft Patch Tuesday March 2026 release introduces security updates addressing 79 vulnerabilities, including two publicly disclosed zero-day vulnerabilities and several high-risk issues tied to ... Read more
-
TheCyberThrone
Microsoft Patch Tuesday – March 2026
Released: March 10, 2026Executive SummaryMicrosoft’s March 2026 Patch Tuesday addresses 83 vulnerabilities across Windows, Microsoft Office, SQL Server, Azure cloud services, and .NET — with 8 rated C ... Read more
The following table lists the changes that have been made to the
CVE-2026-26114 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 13, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:* Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26114 Types: Vendor Advisory -
New CVE Received by [email protected]
Mar. 10, 2026
Action Type Old Value New Value Added Description Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-502 Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26114