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CVE-2025-49706

98
FAUCET Score

CVE-2025-49706 is an improper authentication vulnerability in Microsoft SharePoint Enterprise Server and SharePoint Server, allowing unauthenticated attackers to perform spoofing. With a CVSS score of 6.5 (Medium), it can be exploited over the network with low attack complexity, potentially leading to unauthorized access and data manipulation. This CVE is actively exploited, notably by the Storm-2603 group to deploy Warlock ransomware, and has publicly available exploit modules in Metasploit and Nuclei templates. The high EPSS score, FAUCET Risk Score of 100/100, and extensive community discussion and media coverage underscore its critical nature and widespread attention.

Impacted Technologies

VendorProductVersion(s)CPE
2016CPE matchmatch criteria
cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
< 16.0.18526.20424CPE matchmatch criteria
cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
2019CPE matchmatch criteria
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
99.88%
Probability of exploitation in next 30 days
EPSS Percentile
100.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Jul 22, 2025
Metasploit: Microsoft SharePoint Server ToolPane Unauthenticated Remote Code Execution (aka ToolShell) · Jul 8, 2025
Nuclei: CVE-2025-49706 · Nov 12, 2025
This CVE's current EPSS score of 0.9988 is in the 100th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

microsoftpatch availablevia msrc
Product: Microsoft SharePoint Enterprise Server 2016Fixed in: 16.0.5508.1000
View patch
microsoftpatch availablevia msrc
Product: Microsoft SharePoint Server 2019Fixed in: 16.0.10417.20027
View patch
microsoftpatch availablevia msrc
Product: Microsoft SharePoint Server Subscription EditionFixed in: 16.0.18526.20424
View patch
microsoftvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2025-Jul/CVE-2025-49706Important

Microsoft SharePoint Server Spoofing Vulnerability

Jul 8, 2025

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
microsoft.com / en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities
Press/Media CoverageVendor Advisory
msrc.microsoft.com / update-guide/vulnerability/CVE-2025-49706
Vendor Advisory