CVE-2025-49706
Microsoft SharePoint Server Spoofing Vulnerability
KEV RANSOMWAREMEDIUM 6.5EPSS 99.1%
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
- Affected
- Microsoft · Microsoft SharePoint Enterprise Server 2016 · Microsoft SharePoint Server 2019 · Microsoft SharePoint Server Subscription Edition
- CVSS v3.1 MICROSOFT
- 6.5 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - EPSS
- 99.09% chance of exploitation in the next 30 days, 100th percentile
- CISA KEV
- added 2025-07-22, used in ransomware campaigns
- Nuclei
- medium · CWE-287
- Published
- 2025-07-08
- Updated
- 2026-08-04
Proof-of-concept exploits (6)
- https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-o…
- AdityaBhatt3010/CVE-2025-49706-SharePoint-Spoofing-Vulnerability-Under-Active-Exploitation18★ · 2025-07-20
- AdityaBhatt3010/CVE-2025-53770-SharePoint-Zero-Day-Variant-Exploited-for-Full-RCE11★ · 2025-07-22
- Michaael01/LetsDefend--SOC-342-CVE-2025-53770-SharePoint-Exploit-ToolShell0★ · 2025-09-24
- Salehswt/SharePoint-CVEs-Hunter0★ · 2025-07-22
- saladin0x1/CVE-2025-537704★ · 2025-09-04
Nuclei templates (1)
Metasploit modules (1)
Security advisories
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49706
- https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-o…