CISA has issued an urgent alert warning organizations about two newly disclosed zero-day vulnerabilities affecting Microsoft Defender, both added to the Known Exploited Vulnerabilities (KEV) catalog on May 20, 2026. CVE-2026-45498: Microsoft Defender DoS Vulnerability CVE-2026-45498 is a denial-of-service (DoS) vulnerability in Microsoft Defender that can cause the security service to stop functioning. An attacker […] The post CISA Issues Alert on Exploited Microsoft Defender Zero-Day Vulnerabilities appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
First seen on gbhackers.com
Jump to article: gbhackers.com/cisa-alert-on-exploited-microsoft-defender-zero-day/
