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CVE-2026-40365 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: May 12, 2026

Microsoft Office SharePoint - Remote Code Execution

Published: May 12, 2026Updated: May 12, 2026Remote Exploitable

Overview

Microsoft Office SharePoint contains a broken access control vulnerability caused by insufficient granularity of access control, letting authorized attackers execute code over a network, exploit requires attacker authorization.

Severity & Score

Severity: High

CVSS Score: 8.8

Impact

Authorized attackers can execute code remotely, potentially compromising the system.

Mitigation

Update to the latest version of Microsoft Office SharePoint.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40365

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-40365
Severity: High
CVSS Score: 8.8
Type: broken_access_control
Status: new

CWE

CWE-1220

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H