CVE-2025-59228 Microsoft SharePoint Remote Code Execution Vulnerability
An authorized attacker can execute arbitrary code remotely due to improper input validation in Microsoft SharePoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-59228?
CVE-2025-59228 is a high-severity code injection vulnerability in Microsoft Sharepoint Server, published on 14 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Weakness: CWE-20
Which versions are affected by CVE-2025-59228?
It affects 1 product.
Products include Microsoft Sharepoint Server.
How do I fix CVE-2025-59228?
No fix has been published for CVE-2025-59228 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2025-59228 being exploited?
There is no known exploitation of CVE-2025-59228 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-f8r8-qh8w-ggm2.