EUVD-2025-202201

Improper neutralization of special elements used in a command 'command injection' in Windows PowerShell allows an unauthorized attacker to execute code locally...

Storm-0249 Escalates Ransomware Attacks with ClickFix, Fileless PowerShell, and DLL Sideloading

The threat actor known as Storm-0249 is likely shifting from its role as an initial access broker to adopt a combination of more advanced tactics like domain spoofing, DLL side-loading, and fileless PowerShell execution to facilitate ransomware attacks. "These methods allow them to bypass defense...

New BYOVD loader behind DeadLock ransomware attack

While tracking ransomware activities, Cisco Talos uncovered new tactics, techniques, and procedures TTPs linked to a financially motivated threat actor targeting victims with DeadLock ransomware. The actor used the Bring Your Own Vulnerable Driver BYOVD technique with a previously unknown loader ...

STAC6565 Targets Canada in 80% of Attacks as Gold Blade Deploys QWCrypt Ransomware

Canadian organizations have emerged as the focus of a targeted cyber campaign orchestrated by a threat activity cluster known as STAC6565. Cybersecurity company Sophos said it investigated almost 40 intrusions linked to the threat actor between February 2024 and August 2025. The campaign is...

PowerShell Remote Code Execution Vulnerability

Improper neutralization of special elements used in a command 'command injection' in Windows PowerShell allows an unauthorized attacker to execute code locally...

December 9, 2025—KB5071543 (OS Build 14393.8688)

None None...

December 9, 2025—KB5071542 (OS Build 25398.2025)

None None...

December 9, 2025—KB5071507 (Security-only update)

None None...

December 9, 2025—KB5071547 (OS Build 20348.4529)

None None...

December 9, 2025—KB5071501 (Monthly Rollup)

None None...

December 9, 2025—KB5071504 (Monthly Rollup)

None None...

December 9, 2025—KB5071506 (Security-only update)

None None...

December 9, 2025—KB5071546 (OS Builds 19045.6691 and 19044.6691)

None None...

December 9, 2025—KB5071544 (OS Build 17763.8146)

None None...

KB5074204: Security Update for Windows PowerShell (OS Builds 26100.7392 and 26200.7392)

None None...

KB5074353: Security Update for Windows PowerShell (OS Build 20348.4467)

None None...

October 14, 2025—KB5066782 (OS Build 20348.4294)

None None...

CVE-2025-54100: Improper Neutralization of Special Elements used in a Command

Improper neutralization of special elements used in a command 'command injection' in Windows PowerShell allows an unauthorized attacker to execute code locally...

KLA90811 Multiple vulnerabilities in Microsoft Products (ESU)

Multiple vulnerabilities were found in Microsoft Products Extended Security Update. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges, obtain sensitive information, bypass security restrictions, cause denial of service, spoof user interface. Below is a...

KLA90812 Multiple vulnerabilities in Microsoft Windows

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges, bypass security restrictions, cause denial of service, obtain sensitive information. Below is a complete list of vulnerabilities: 1. A remote cod...