EUVD-2026-73155
GHSA-qhx2-gqwm-vmxg
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-accessible RCE requiring only low-privilege credentials with no user interaction; full CIA impact on the SharePoint server process; scope contained to the vulnerable system.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
AnalysisAI
Remote code execution in Microsoft SharePoint Server Subscription Edition allows an authenticated low-privileged network attacker to execute arbitrary code by exploiting a missing authorization check (CWE-862). The CVSS 8.8 score reflects network accessibility, low complexity, and full confidentiality, integrity, and availability impact against the affected server. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to possess a valid, authenticated SharePoint account with low privilege - the CVSS PR:L metric confirms that some level of authentication is required, and the description's use of 'authorized attacker' is consistent with this. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) represents a high-priority vulnerability with straightforward network exploitability requiring only a low-privilege account - no interaction from other users and no special configuration are needed. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the vendor-released patch updating Microsoft SharePoint Server Subscription Edition to build 16.0.20326.20090 or later, as documented in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69724. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all SharePoint Server Subscription Edition deployments currently running builds prior to 16.0.20326.20090 and restrict network access to vulnerable servers where operationally feasible. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Sharepoint Server
View allMicrosoft SharePoint Server contains a deserialization vulnerability allowing unauthenticated remote code execution over
Microsoft Office SharePoint contains a code injection vulnerability (CVE-2025-49704, CVSS 8.8) enabling authenticated at
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a networ
Microsoft Word Remote Code Execution Vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely e
Microsoft SharePoint Server 2007 SP3, 2010 SP1 and SP2, and 2013; Office Web Apps 2010; Excel 2003 SP3, 2007 SP3, 2010 S
Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Office for Mac 2011, Office fo
Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word Automation Services in SharePoint Server 2010, Web Applica
The default configuration of Microsoft SharePoint Portal Server 2003 SP3, SharePoint Server 2007 SP3 and 2010 SP1 and SP
Microsoft XML Core Services (aka MSXML) 3.0, 5.0, and 6.0 does not properly parse XML content, which allows remote attac
Microsoft Excel 2007 SP3, 2010 SP1 and SP2, 2013, and 2013 RT; Office 2007 SP3, 2010 SP1 and SP2, 2013, and 2013 RT; Off
Microsoft Word Automation Services in SharePoint Server 2010 SP1, Word Web App 2010 SP1 in Office Web Apps 2010, Word 20
Microsoft Word Automation Services in SharePoint Server 2010 SP1 and SP2, Word Web App 2010 SP1 and SP2 in Office Web Ap
Same weakness CWE-862 – Missing Authorization
View allShare
External POC / Exploit Code
Leaving vuln.today