vulnerability Critical SharePoint RCE CVE-2026-50522 Under Active Exploitation After Public PoC A critical SharePoint vulnerability (CVE-2026-50522) is currently being actively exploited, allowing attackers to execute code remotely and steal machine keys. Microsoft released a patch last month, but attackers are leveraging a public proof-of-concept to gain persistent access and deploy malware. Multiple vulnerabili… The Hacker News · Jul 21, 2026 Critical CVE-2026-50522CVE-2026-56164CVE-2026-58644sharepointvulnerabilityrce
vulnerability CISA Urges Immediate Patching of Exploited SharePoint Vulnerabilities The CISA is urging immediate patching of Microsoft SharePoint servers due to several recently disclosed zero-day vulnerabilities. These flaws could allow remote code execution and enable attackers to steal sensitive info… SecurityWeek · Jul 15, 2026 High CVE-2026-56164CVE-2026-55040CVE-2026-58644zero-dayremote code executioniis
vulnerability Researcher Drops New Windows Zero-Day PoC Hours After Microsoft Patch Tuesday Security researcher Chaotic Eclipse has released a proof-of-concept (PoC) exploit, LegacyHive, targeting a Windows User Profile Service vulnerability that allows arbitrary hive loading and privilege escalation. This expl… The Hacker News · Jul 15, 2026 High CVE-2026-56164CVE-2026-56155CVE-2026-32201vulnerabilityprivilege escalationsharepoint
vulnerability CISA Urges SharePoint Hardening After New Exploitations The Cybersecurity and Infrastructure Security Agency (CISA) is warning organizations with on-premises SharePoint Server instances (versions 2016, 2019, and Subscription Edition) about active exploitation of vulnerabiliti… CISA Advisories · Jul 14, 2026 High CVE-2026-32201CVE-2026-45659CVE-2026-56164sharepointvulnerabilityiis
vulnerability Microsoft Patches SharePoint RCE Flaw CVE-2026-45659 Across Server Versions Microsoft has rolled out updates to fix a remote code execution vulnerability impacting SharePoint that could be exploited by bad actors in attacks without requiring any specialized conditions to be met. The vulnerabilit… The Hacker News · May 26, 2026 High CVE-2026-45659CVE-2026-32201
threat-intel Patch Tuesday, April 2026 Edition Microsoft released a substantial update, Patch Tuesday, addressing 167 vulnerabilities across its operating systems and software, including several zero-days. This update focused on critical flaws in SharePoint Server, W… Krebs on Security · Apr 14, 2026 High CVE-2026-32201CVE-2026-33825CVE-2026-34621zero-daypatch tuesdayvulnerability