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Vulnerabilities CVE-2026-56164

CVE-2026-56164

Medium
Open
KEV
TLP:CLEAR

Microsoft SharePoint Server Elevation of Privilege Vulnerability

AI Analysis

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Details

CVSS Score
5.3
EPSS Score
22.44%

97.5th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:F/RL:O/RC:C
Confidence
100%
Published
Jul 14, 2026
Last Modified
Jul 15, 2026
CISA KEV
Date Added
Jul 14, 2026
Patch Due
Jul 17, 2026
Required Action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
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