Saturday, December 6, 2025 Archive

Archived Security Snapshot

Critical vulnerabilities, curated daily for security professionals

Archived Security Brief

Saturday's vulnerability disclosure shows eight critical vulnerabilities and 56 high-priority CVEs, representing a 19% increase in high-priority activity from Friday's count of 47. Seven actively exploited CISA KEV vulnerabilities continue to require remediation. Critical CVE count remains unchanged at eight, maintaining consistent levels from Friday. The overall critical CVE frequency shows a 33% decrease compared to historical averages, reflecting below-average disclosure activity for the weekend.

  • Eight critical vulnerabilities disclosed (CVSS 9.0+), unchanged from Friday's count
  • Fifty-six high-priority vulnerabilities (CVSS 7.0-8.9), a 19% increase from Friday's 47 CVEs
  • Seven actively exploited CISA KEV vulnerabilities requiring remediation, one additional KEV from Friday
  • Critical CVE frequency decreased 33% compared to historical average, reflecting continued below-average disclosure activity

Immediate action: Security teams should review the eight critical vulnerabilities and the 56 high-priority CVEs. Organizations should prioritize remediation of the seven actively exploited CISA KEV vulnerabilities. Detailed analyst comments are available for select CVEs to support remediation planning.

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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