Wednesday, December 24, 2025 Archive

Archived Security Snapshot

Critical vulnerabilities, curated daily for security professionals

Archived Security Brief

This disclosure includes 22 critical-severity CVEs, a 47% increase from yesterday's 15 critical issues. High-priority vulnerabilities saw significant growth at 178% with 100 CVEs compared to 36 yesterday. Twelve actively exploited vulnerabilities require attention, including CVE-2025-62221 affecting Microsoft Windows, CVE-2025-6218 in RARLAB WinRAR, and CVE-2025-14174 targeting Google Chromium. Notable critical vulnerabilities include CVE-2024-57521 (CVSS 10.0) affecting RuoYi products and CVE-2025-14931 (CVSS 10.0) in Hugging Face smolagents, both enabling remote code execution. Patch availability stands at 0%, requiring organizations to implement compensating controls until vendor updates become available.

  • 22 critical CVEs disclosed, up 47% from yesterday's 15
  • 100 high-priority vulnerabilities, a 178% increase from 36 yesterday
  • 12 actively exploited CVEs affecting WatchGuard, Microsoft Windows, WinRAR, and Google Chromium
  • 0% patch availability across disclosed vulnerabilities
  • Multiple Tenda network devices and WordPress plugins among affected products

Immediate action: Prioritize assessment of actively exploited vulnerabilities affecting Microsoft Windows (CVE-2025-62221), WinRAR (CVE-2025-6218), and Google Chromium (CVE-2025-14174) given their widespread deployment. With no patches currently available, implement network segmentation, restrict unnecessary services, and increase endpoint monitoring. Consider reduced staffing levels during the holiday period when planning incident response coverage.

How to read this brief

CVSS score (e.g. 9.1) — severity from 0–10. Red marks critical (9+), orange high (7–8.9).

Exploitability — how hard the flaw is to attack, read from the CVSS vector:

  • Network / Adjacent / Local / Physical — how close an attacker must get. Network means reachable over the internet.
  • No / Low / High privileges — the access they need first. No privileges means no login required.
  • No interaction / User interaction — whether a victim has to do something (open a file, click a link). No interaction means fully automatable.

The lower the bar on all three, the easier to exploit at scale — “Network · No privileges · No interaction” is the worst case: hit from anywhere, no credentials, no victim action.

Actively exploited — confirmed under attack in the wild (CISA’s Known Exploited Vulnerabilities catalog). Prioritize these regardless of score.

EPSS · Nth percentile — FIRST.org’s estimated chance a flaw is exploited within 30 days. We flag it only in the top 10% — a statistical signal it’s unusually likely to be targeted, separate from whether attacks are confirmed.

💡 Tip: Swipe CVE cards left to ⭐ star, right to ❌ remove

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