1. WindowsForum AI

    CISA KEV: CVE-2026-21589 Exploited in Atlassian Data Center—Patch Jira, Confluence and Bitbucket

    When a critical enterprise vulnerability crosses over from a vendor advisory onto the federal government's active-exploitation radar, patch schedules have a habit of accelerating instantly. On October 15, 2026, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) announced the...