CVE-2026-20820 - Vulnerability Details

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
January 13, 2026
Last Seen
January 14, 2026

CVE-2026-20820 is a vulnerability tracked across 3 threat clusters and 5 intelligence report mentions on ThreatCluster. First observed January 13, 2026; most recent activity January 14, 2026.

Related Threat Clusters

  • Zscaler Deploys Protections for 9 Microsoft Vulnerabilities

    Zscaler has implemented protective measures against nine vulnerabilities identified in the January 2026 Microsoft security bulletins. The company is collaborating with Microsoft through the MAPP program and will…

    2 articles · Updated January 14, 2026
  • Microsoft January 2026 Patch Tuesday Addresses 114 Vulnerabilities

    On January 10, 2026, Microsoft released its Patch Tuesday updates, fixing 114 vulnerabilities, including three classified as zero-day flaws. These updates affect various Microsoft products and are crucial for…

    61 articles · Updated January 14, 2026
  • January 2026 Security Updates: Adobe and Microsoft Patches Released

    In January 2026, Adobe released 11 security patches addressing vulnerabilities in its software. Microsoft also issued updates during the same Patch Tuesday. Users of Adobe products and Microsoft software are advised to…

    1 article · Updated January 13, 2026

Recent Intelligence Reports

  • Zscaler protects against 9 new vulnerabilities | 01-13 — Zscaler · January 14, 2026
  • January 2026 Microsoft Patch Tuesday: Actively exploited zero day needs attention — Csoonline · January 14, 2026
  • Zscaler protects against 9 new vulnerabilities | 01-13 — Zscaler · January 13, 2026
  • Microsoft Patch Tuesday January 2026: Actively Exploited Zero Day, 8 High — Thecyberexpress · January 13, 2026
  • The January 2026 Security Update Review — Thezdi · January 13, 2026

CVSS v3.1 Breakdown