CVE-2026-21977 - Vulnerability Details

Frequency

occurrences

First Seen

January 21, 2026

Last Seen

January 21, 2026

CVE-2026-21977 is a vulnerability tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed January 21, 2026; most recent activity January 21, 2026.

Related Threat Clusters

Oracle Releases January 2026 Critical Patch Update Addressing 337 Vulnerabilities
On January 20, 2026, Oracle released its Critical Patch Update (CPU) for January 2026, addressing 337 security vulnerabilities across 122 products. This update includes fixes for 158 unique CVEs, with 27 patches…

8 articles · Updated January 21, 2026

Recent Intelligence Reports

Oracle releases 337 security patches, including fix for critical Apache Tika flaw — Csoonline · January 21, 2026

Related Entities

Data Breach Oracle CVE-2021-35587 CVE-2025-54988 CVE-2025-66516 CVE-2026-21962 Apache Tika Oracle E-business Suite Oracle Enterprise Manager Oracle HTTP Server Oracle Middleware Common Libraries And Tools Oracle Weblogic Server Proxy Plug-in

CVE-2026-21977 - Vulnerability Details

Entity Not Found

Related Threat Clusters

Recent Intelligence Reports

Related Entities

CVSS v3.1 Breakdown