Skip to content
May 2026 Page 2

May 2026

CISA Enhances Known Exploited Vulnerabilities Catalog to Include New Nomination Form

CISA Enhances Known Exploited Vulnerabilities Catalog to Include New Nomination Form

WASHINGTON – The Cybersecurity and Infrastructure Security Agency (CISA) announces the availability of a new Nomination Form today that enables researchers, vendors, and industry partners to report known exploited vulnerabilities (KEV). This new reporting capability enhances… 

Microsoft Warns of Two Actively Exploited Defender Vulnerabilities

Microsoft Warns of Two Actively Exploited Defender Vulnerabilities

Ravie LakshmananMay 21, 2026Endpoint Security / Vulnerability Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender has come under active exploitation in the wild. The former, tracked as CVE-2026-41091, is rated…