Skip to main content

Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since September 30, 2022.

Known ransomware use

CVE-2022-41082

Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft · Exchange Server

Added to KEV September 30, 2022

Alert details

Source feed
CISA KEV
CVE ID
CVE-2022-41082
CWE
CWE-502
Affected products
Exchange Server · Microsoft Exchange Server · Microsoft

What happened

Microsoft Exchange Server contains an unspecified vulnerability that allows for authenticated remote code execution. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41040 which allows for the remote code execution.

What it means for your business

Microsoft Exchange Server is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2022-41082). Microsoft Exchange Server contains an unspecified vulnerability that allows for authenticated remote code execution. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41040 which allows for the remote code execution. CISA remediation due date: 2022-10-21. If you need help checking exposure, call (864) 335-9223.

Required action

Apply updates per vendor instructions.

CISA due date: October 21, 2022

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.