Microsoft’s 7-Year Itch: The Return of the Library-MS Vulnerability!

Microsoft finally gave an NTLM information disclosure vulnerability the attention it deserved—seven years after it was first reported. Initially dismissed as “not severe enough,” this peek-a-boo bug in “.library-ms” files now has its own CVE and a shiny spotlight. Better late than never, Microsoft!

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Hot Take:

Microsoft has resurrected a security flaw from the ashes of indifference like a phoenix with a penchant for procrastination! After initially dismissing the “.library-ms” file vulnerability, they’ve finally decided seven years later that it’s worth their attention. Better late than never, right? This is a classic case of “Oops, did I do that?” meets “Oh well, let’s fix it now.”

Key Points:

  • Vulnerability: NTLM information disclosure via “.library-ms” files.
  • Initial Report: 2018, ignored by Microsoft at the time.
  • Resurfaced: 2025, now considered important.
  • Credit: John Page (aka hyp3rlinx) recognized as the original reporter.
  • Impact: Allows remote access, highlighting the need for continuous security vigilance.

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