CVE-2026-47298 Microsoft SharePoint Server Remote Code Execution Vulnerability
An authorized attacker can execute arbitrary code on Microsoft SharePoint Server due to improper authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-47298?
CVE-2026-47298 is a high-severity missing authorization vulnerability in Microsoft Sharepoint Server, published on 9 Jun 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Weakness: CWE-285
Which versions are affected by CVE-2026-47298?
It affects 1 product.
Products include Microsoft Sharepoint Server.
How do I fix CVE-2026-47298?
No fix has been published for CVE-2026-47298 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-47298 being exploited?
There is no known exploitation of CVE-2026-47298 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Sharepoint Server
- CVE-2026-50522 Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
- CVE-2026-58644 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2026-20963 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2025-53770 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2023-29357 Microsoft SharePoint Server Privilege Escalation
Sources
Also known as GHSA-wqxq-vm25-4v8f.