Microsoft’s CLFS Flaw Joins CISA’s Naughty List: Patch Urgently!

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added the Microsoft Windows CLFS driver flaw to its Known Exploited Vulnerabilities catalog. This flaw, with a CVSS score of 7.8, can grant attackers SYSTEM privileges. CISA mandates federal agencies to fix this by year’s end, and experts advise private firms to follow suit.

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Hot Take:

Oh, Windows, you did it again! Another day, another vulnerability. CLFS sounds like a fancy new coffee drink, but instead, it’s the latest addition to CISA’s infamous list. Who knew driver flaws could drive us so crazy?

Key Points:

  • Microsoft Windows CLFS driver flaw CVE-2024-49138 has a CVSS score of 7.8.
  • It was added to CISA’s Known Exploited Vulnerabilities (KEV) catalog.
  • The flaw allows a local attacker to escalate privileges via a heap-based buffer overflow.
  • Federal agencies must fix this vulnerability by December 31, 2024.
  • Microsoft’s December 2024 Patch Tuesday addressed 71 vulnerabilities, including this zero-day.

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