Cyber Risks · Cisco Talos

Another Patch Tuesday with no zero-days, only two critical vulnerabilities disclosed by Microsoft

Summary: Microsoft's March 2024 Patch Tuesday contained 60 vulnerabilities, only two labeled critical, and no actively exploited flaws for the second month in a row. Both critical issues are in Windows Hyper-V: CVE-2024-21408, a denial-of-service flaw scored 5.5 that could let an adversary target a host from inside a VM, and CVE-2024-21407, a remote code execution flaw requiring the attacker to be authenticated in the VM and gather specific environment information first.

Key Takeaway: The highest CVSS score in the release, 9.8, belongs to CVE-2024-21334, a use-after-free in Open Management Infrastructure that a remote, unauthenticated attacker could trigger over the internet - yet Microsoft rated it only important, so severity labels alone will not tell you what to patch first.

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Topics
Vulnerabilities & Patching
Mentions
CVE-2024-21334CVE-2024-21407CVE-2024-21408
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