Vulnerabilities Now Top Initial Access Route For Ransomware

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More ransomware attacks now start with vulnerability exploitation than phishing, says Corvus Insurance

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ZDI-23-1787: Microsoft Excel SKP File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

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This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Excel. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2023-33146.

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ZDI-23-1788: Microsoft Excel SKP File Parsing Use-After-Free Remote Code Execution Vulnerability

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This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Excel. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2023-33146.

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ZDI-23-1789: Microsoft Excel SKP File Parsing Uninitialized Variable Information Disclosure Vulnerability

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This vulnerability allows remote attackers to disclose sensitive information on affected installations of Microsoft Excel. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 3.3. The following CVEs are assigned: CVE-2023-33146.

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