60
60
60
60
60
60
60
Zoom fixed critical flaw CVE-2024
60
4 New BlueKeep-like 'Wormable' Windows Remote Desktop Flaws Discovered
60
Microsoft fixes actively exploited Windows CLFS zero-day (CVE-2025-29824)
60
60
60
60
60
60
60
60
60
63 New Flaws (Including 0
60
60
60
60
60
60
Microsoft Patches Record 974 Flaws, Including Two Exploited Windows Zero-Days
Microsoft's September Patch Tuesday fixed a record 974 flaws, including two Windows privilege-escalation zero-days actively exploited and added to CISA's KEV catalog.
Microsoft's September 2026 Patch Tuesday addressed a record 974 vulnerabilities (999 including 25 non-Microsoft CVEs), with over 110 rated critical; 723 affect Windows and 111 affect Office. Two Windows privilege-escalation zero-days are actively exploited: CVE-2026-85880, an ALPC heap-based buffer overflow, and CVE-2026-81963, an improper link resolution flaw in the Windows Update Stack, both allowing attackers to gain SYSTEM privileges. CISA added both flaws to its KEV catalog, giving federal civilian agencies until September 22, 2026 to apply fixes. Volexity, Proofpoint, MSTIC, and independent researchers were credited with the reports; notable additional fixes include network-reachable RCEs in Exchange, SharePoint, SQL Server, Remote Desktop Services, DNS, and DHCP.
85
Microsoft addresses three Windows issues actively exploited
60
60
60
2026-007: Critical Vulnerability in Windows Netlogon
Actively exploited CVSS 9.8 Windows Netlogon flaw lets unauthenticated attackers execute code with SYSTEM privileges on domain controllers.
Microsoft's May 2026 advisory describes CVE-2026-41089, a stack-based buffer overflow in Windows Netlogon (CVSS 9.8) that allows unauthenticated remote code execution with SYSTEM privileges on domain controllers via specially crafted packets. The Centre for Cybersecurity Belgium reports the flaw is currently being exploited by threat actors. All Windows Server versions from 2012 through 2025 acting as domain controllers are affected and require the May updates.
88
60
Microsoft fixes 6 zero-days under active attack
60
60
60
60
60
U.S. CISA adds Microsoft Office and Microsoft Windows flaws to its Known Exploited Vulnerabilities catalog
60
60
60
60
60