Cyber Risks · Cisco Talos

Only one critical vulnerability included in May’s Microsoft Patch Tuesday; One other zero-day in DWN Core

Summary: Microsoft's May Patch Tuesday disclosed 59 total CVEs, with only one rated critical: CVE-2024-30044, a remote code execution vulnerability in SharePoint Server that an authenticated attacker with Site Owner permissions or higher could exploit by uploading a crafted file and sending specialized API requests to trigger deserialization. Microsoft also disclosed a zero-day in the Windows DWM Core Library, CVE-2024-30051, which can grant SYSTEM-level privileges, has low attack complexity, and has already been exploited in the wild.

Bottom line: The one critical flaw requires only Site Owner permissions to reach remote code execution on a SharePoint Server, and the DWM Core zero-day granting SYSTEM privileges is already being exploited with low attack complexity.

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Topics
Vulnerabilities & Patching
Mentions
CVE-2024-30044CVE-2024-30046CVE-2024-30051
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