# AI-driven bug hunting fuels record Microsoft Patch Tuesday

> Source: <https://www.helpnetsecurity.com/2026/07/15/microsoft-patch-tuesday-sharepoint-cve-2026-56164/>
> Published: 2026-07-15 10:20:43+00:00

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).