AI-driven bug hunting fuels record Microsoft Patch Tuesday

Microsoft released patches for over 570 vulnerabilities in its July 2026 Patch Tuesday, including two actively exploited flaws (CVE-2026-56155 and CVE-2026-56164) and one previously disclosed bug (CVE-2026-50661). The record-breaking volume is attributed to AI-driven bug hunting, with researcher Nightmare Eclipse also publishing an exploit for an unpatched Windows elevation of privilege vulnerability dubbed LegacyHive.

Microsoft has released patches for 570+ vulnerabilities on July 2026 Patch Tuesday, including two that are being leveraged by attackers CVE-2026-56155 and CVE-2026-56164 , and one that was previouly disclosed CVE-2026-50661 . The release was once again followed by Nightmare Eclipse publishing a stripped down proof-of-concept exploit for an unpatched Windows elevation of privilege EoP vulnerability, which the researcher dubbed LegacyHive. Vulnerabilities of note CVE-2026-56155 is an EoP flaw affecting Active Directory Federation Services ADFS , and has … More https://www.helpnetsecurity.com/2026/07/15/microsoft-patch-tuesday-sharepoint-cve-2026-56164/ The post AI-driven bug hunting fuels record Microsoft Patch Tuesday https://www.helpnetsecurity.com/2026/07/15/microsoft-patch-tuesday-sharepoint-cve-2026-56164/ appeared first on Help Net Security https://www.helpnetsecurity.com .