threat-intel ThreatsDay: 296K IoT Botnet, 100+ Water Systems Targeted, SharePoint RCE Chain + 27 New Stories This week’s ThreatsDay bulletin highlights a diverse range of cyber threats, including a 296,000-device IoT botnet, social engineering attacks targeting security teams, and a growing number of credential-stealing malware families. Notable threats include a fake login page and productivity app used for phishing, a Pytho… The Hacker News · 3d ago High CVE-2026-55040CVE-2026-63520RUsocial engineeringphishingcredential theft
threat-intel Critical macOS, SharePoint, vCenter, and Microsoft IKE Flaws Under Active Exploitation Four critical vulnerabilities – affecting macOS, SharePoint, vCenter, and IKE – are currently being actively exploited in the wild. These flaws have led to widespread attacks, including the deployment of ransomware and b… The Hacker News · Aug 19, 2026 Critical CVE-2026-65400CVE-2026-55040CVE-2026-59310DEUSTRvulnerabilitycyberattackransomware
threat-intel CISA Urges Immediate Patching of Exploited Microsoft, VMware, Apple Vulnerabilities The CISA has issued an urgent warning about four actively exploited vulnerabilities affecting Microsoft, VMware, and Apple products. These flaws, including a double-free in Windows IKE and a weak authentication bypass in… SecurityWeek · Aug 19, 2026 Critical CVE-2026-33824CVE-2026-55040CVE-2026-59310CHvulnerabilitypatchingremote code execution
vulnerability Attackers Exploit SharePoint Authentication Bypass After Public PoC Release Threat actors are actively exploiting a critical Microsoft SharePoint vulnerability (CVE-2026-55040) due to a bypass in the authentication feature. Following the release of a proof-of-concept by Rapid7, attackers are lev… The Hacker News · Aug 13, 2026 Critical CVE-2026-55040HOJANEjwtauthenticationsharepoint
vulnerability SharePoint Vulnerability Exploited Shortly After PoC Release A SharePoint vulnerability, patched last month, is now being actively exploited in the wild, with attackers leveraging a publicly released proof-of-concept. This follows a series of similar vulnerabilities discovered thi… SecurityWeek · Aug 12, 2026 High CVE-2026-55040CVE-2026-63520CVE-2026-50522sharepointvulnerabilityexploitation
vulnerability Microsoft Patches 398 Flaws Including a Windows Driver Zero-Day Under Active Attack Microsoft released a security update containing 398 new vulnerabilities, with one zero-day flaw actively being exploited by Check Point Research's Lazarus group as part of Operation Dream Job. This zero-day (CVE-2026-688… The Hacker News · Aug 11, 2026 High CVE-2026-68820CVE-2026-62878CVE-2026-62893zero-dayrceexploit
vulnerability Researchers Disclose AI-Assisted SharePoint Exploit Chain Reaching Unauthenticated RCE Researchers at Rapid7 discovered a chain of vulnerabilities in Microsoft SharePoint, allowing unauthenticated attackers to impersonate users, including administrators, through a complex AI-assisted process. The initial b… The Hacker News · Aug 11, 2026 High CVE-2026-55040CVE-2026-63520jwtsharepointrce
vulnerability Fresh SharePoint Vulnerability Exploited Soon After Disclosure A critical remote code execution vulnerability in Microsoft SharePoint has been actively exploited by threat actors shortly after its disclosure. Microsoft has released patches to address the issue, but CISA has added it… SecurityWeek · Jul 17, 2026 Critical CVE-2026-58644CVE-2026-56164CVE-2026-55040rcesharepointvulnerability
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 Microsoft smashes Patch Tuesday record for second successive month Microsoft released a massive Patch Tuesday update, exceeding 600 security vulnerabilities – the largest in the program's history. This surge in vulnerabilities, driven in part by AI-assisted discovery, has led to a signi… The Record · Jul 15, 2026 High CVE-2026-56164CVE-2026-56155CVE-2026-55040UNpatch tuesdayvulnerabilityexploit
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 Microsoft Patch Tuesday for July 2026 — Snort rules and prominent vulnerabilities Microsoft released its July 2026 security update, containing 622 vulnerabilities, with 57 classified as critical. Several of these, including those affecting Active Directory Federation Services, SharePoint Server, and v… Cisco Talos · Jul 14, 2026 High CVE-2026-56155CVE-2026-56164CVE-2026-50370vulnerabilityrceeop
threat-intel Microsoft Patches Record 622 Flaws, Including Two Zero-Days Under Active Attack Microsoft released its largest Patch Tuesday update to date, encompassing 622 security updates, with two of these fixes already being actively exploited by attackers. These vulnerabilities, affecting SharePoint Server an… The Hacker News · Jul 14, 2026 High CVE-2026-56164CVE-2026-56155CVE-2026-50661zero-dayprivilege escalationremote code execution
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
