CISA Adds Two Actively Exploited Linux Kernel Flaws to KEV Catalog
CISA added two Linux kernel vulnerabilities to its Known Exploited Vulnerabilities Catalog based on evidence of active exploitation: CVE-2025-39964, a race condition, and CVE-2026-53266, an out-of-bounds write. Under Binding Operational Directive 26-04, federal civilian agencies must prioritize rapid remediation of KEV-listed flaws on publicly exposed assets.
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