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Microsoft Fixes Critical and Publicly Disclosed Flaws

A total of 97 vulnerabilities were resolved in April’s patch Tuesday updates from Microsoft this week, including 7 critical severity flaws, and an actively exploited zero-day flaw with a publicly disclosed exploit.   Critical severity flaw CVE-2023-28250 has a CVSS base score of 9.8 and is found in the Windows pragmatic general multicast (PGM) protocol. This […]

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Two Zero-Day Vulnerabilities Fixed in Patch Tuesday

A total of 83 vulnerabilities have been addressed in this month’s patch Tuesday security updates from Microsoft, including two zero-day flaws, and nine vulnerabilities rated as critical severity. Four of these critical severity vulnerabilities specifically affecting Windows 11, and one affecting Microsoft Office, have been included in Microsoft Defender’s default new vulnerabilities notifications sent to

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Flaws in Windows 11 Security Hardware TPM 2.0

Two out-of-bounds buffer overflow vulnerabilities have been found in the TPM 2.0 system hardware used across all Windows 11 devices. A TPM (Trusted Platform Module) is a processor used for hardware-based cryptographic operations, to secure encryption keys, and protect the boot process by defending against malicious tampering. Microsoft made it a requirement for PCs to

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Citrix Privilege and Access Control Vulnerabilities

Security vulnerabilities have been identified in Citrix Virtual Apps and Desktops, and Citrix Workspace app for Windows and Linux. A total of 4 vulnerabilities have been addressed in the latest updates for these Citrix products which if exploited would allow attackers to perform elevation of privileges and take control of the system. These flaws have

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Windows Error Reporting Tool Abused to Load Malware

A legitimate Windows executable is being abused by malicious actors to stealthily infect devices with malware without raising any alarms. The Windows Error Reporting tool WerFault.exe can be exploited to load malware onto a system using a DLL sideloading technique in an attack K7 Security Labs have published an analysis for last week. This legitimate

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