CVE-2025-49704KEV · OVERDUECWE-94

Microsoft SharePoint Remote Code Execution Vulnerability

High · published July 8, 2025

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 100.0th percentile for exploit probability.

458
days past CISA
deadline
CVSS v3.1
8.8
EPSS
100%
Percentile
100.0
In the wild
Confirmed
What it is

⚡ An authorized attacker can execute code over your network with just a crafty input! This code injection vulnerability in Microsoft Office SharePoint is like finding a loophole in the building plans that lets you sneak into the server room. 🔥 Think of it as a hotel where guests with valid room keys can access any room because the staff never checked who was supposed to be where. One clever guest could bypass all security and access sensitive information or cause chaos! If exploited, an attacker could run malicious code remotely, leading to unauthorized data access, data manipulation, or even more severe breaches. This could compromise your entire SharePoint environment, making it an urgent threat.

Put simply

Think of it as a hotel where guests with valid room keys can access any room because the staff never checked who was supposed to be where. One clever guest could bypass all security and access sensitive information or cause chaos! This vulnerability arises from improper control of code generation, allowing attackers to inject and execute arbitrary code over a network. It's a sneaky oversight that puts your data at risk.

What to do

If exploited, an attacker could run malicious code remotely, leading to unauthorized data access, data manipulation, or even more severe breaches. This could compromise your entire SharePoint environment, making it an urgent threat. Immediately update Microsoft Office SharePoint to the latest version to close this security gap. Additionally, review and tighten your access controls to minimize exposure to potential attackers. Don't forget to monitor your network for any suspicious activity! You've got this! By taking prompt action, you can safeguard your SharePoint environment and keep those sneaky attackers at bay! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.99995 · 100.0th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2025-07-08T16:58Z
KEV added
2025-07-22 · due 2025-07-23
EPSS history
Timeline
  • 22 JUL 00:00Z
    Added to CISA KEV — remediate by Jul 23
    kev
  • 08 JUL 16:58Z
    Microsoft SharePoint Remote Code Execution Vulnerability
    cvelistv5