CVE-2025-49706
Microsoft SharePoint Server Spoofing Vulnerability
- Published
- Jul 8, 2025
- Updated
- Aug 4, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Jul 22, 2025
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NHigh · next 30 days
- Percentile
- 99.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
Sources
4A deep dive into CVE-2025-49706 — the SharePoint spoofing flaw now exploited in the wild for stealthy web shell deployment and privilege escalation.
- OurSharePoint-CVE-2025-53770Exploit
Do you really think SharePoint is safe?
A critical zero-auth RCE vulnerability in SharePoint (CVE-2025-53770), now exploited in the wild, building directly on the spoofing flaw CVE-2025-49706.
Responsible use
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