CVE-2025-64676 Microsoft Purview eDiscovery Remote Code Execution Vulnerability
An authorized attacker can execute arbitrary code remotely in Microsoft Purview eDiscovery, requiring immediate patching by administrators.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-64676?
CVE-2025-64676 is a high-severity code injection vulnerability in Microsoft Purview, published on 18 Dec 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
'.../...//' in Microsoft Purview allows an authorized attacker to execute code over a network.
Which versions are affected by CVE-2025-64676?
It affects 1 product.
Products include Microsoft Purview.
How do I fix CVE-2025-64676?
No fix has been published for CVE-2025-64676 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-2025-64676 being exploited?
There is no known exploitation of CVE-2025-64676 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Purview
Sources
Also known as GHSA-9w8v-28f9-xxx3.