Summary
Microsoft SharePoint contains an improper authentication vulnerability that allows an authorized attacker to perform spoofing over a network. Successfully exploitation could allow an attacker to view sensitive information and make some changes to disclosed information. This vulnerability could be chained with CVE-2025-49704. CVE-2025-53771 is a patch bypass for CVE-2025-49706, and the updates for CVE-2025-53771 include more robust protection than those for CVE-2025-49706.
Classification
This CVE has no priority classification because it was imported directly from the CISA KEV catalog without running the AI analysis pipeline. CISA KEV listing implies active exploitation in the wild; treat with the urgency that implies.
Exploitation Details
—
Affected Software
| Product | Affected Versions |
|---|---|
| SharePoint | Unknown |
Not available
Not available
Not available
Probability of exploitation in the next 30 days
Worse than 99% of all CVEs
No known threat actors
No detection rules available
NVD Data
Description Summary
CVSS Base Score
CVSS Vector (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
Affected Software (CPE) (3)
- •cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
- •cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
- •cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
Sources
No sources
Priority History
No priority changes recorded