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LOW Updates Microsoft Security Response Center

CVE-2026-42955 Extra fix for CVE-2026-40622 to also clamp the TTL of A/AAAA records disallowing a one-time 'ghost domain' delegation renewal via glue records

  • What: A fix for a DNS vulnerability to prevent 'ghost domain' delegation
  • Impact: Helps prevent DNS spoofing and cache poisoning
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