Skip to main content

Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since March 26, 2024.

Known ransomware use

CVE-2023-24955

Microsoft SharePoint Server Code Injection Vulnerability

Microsoft · SharePoint Server

Added to KEV March 26, 2024

Alert details

Source feed
CISA KEV
CVE ID
CVE-2023-24955
CWE
CWE-94
Affected products
SharePoint Server · Microsoft SharePoint Server · Microsoft

What happened

Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely.

What it means for your business

Microsoft SharePoint Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2023-24955). Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely. CISA remediation due date: 2024-04-16. If you need help checking exposure, call (864) 335-9223.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date: April 16, 2024

Sources

Related briefs

Microsoft MSRC

CVE-2026-70338

Microsoft PowerShell Security Feature Bypass vulnerability

Microsoft PowerShell Security Feature Bypass vulnerability (CVE-2026-70338) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-66804

Microsoft Windows Cross Device Service Elevation of Privilege vulnerability

Microsoft Windows Cross Device Service Elevation of Privilege vulnerability (CVE-2026-66804) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-65791

Windows iSCSI Target Service Remote Code Execution vulnerability

Windows iSCSI Target Service Remote Code Execution vulnerability (CVE-2026-65791) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-56642

Microsoft Fabric Data Warehouse Remote Code Execution vulnerability

Microsoft Fabric Data Warehouse Remote Code Execution vulnerability (CVE-2026-56642) was added to Microsoft’s security update guidance. Updated the Security Updates table by removing an affected software entry. No user action is required. This is an informational change only. If you need help checking exposure, call (864) 335-9223.

Need help patching?

PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.