US EditionMicrosoft November 2025 Patch Tuesday fixes 1 zero-day, 63 flaws
The update fixes 63 vulnerabilities including one zero-day Windows Kernel flaw actively exploited to gain SYSTEM privileges, with 29 elevation of privilege bugs addressed, Microsoft said.
- On Microsoft's November 2025 Patch Tuesday, Microsoft released updates fixing 63 vulnerabilities, including the actively exploited Windows Kernel zero-day CVE-2025-62215.
- CVE-2025-62215, an elevation-of-privilege Windows Kernel flaw, requires winning a race condition to gain SYSTEM privileges, and without this month's patch, users remain vulnerable, Microsoft said.
- The updates address a broad mix of defects, including 29 elevation-of-privilege and 16 remote code execution bugs, and four "Critical" vulnerabilities covering two remote code execution, one elevation-of-privilege, and one information-disclosure flaw.
- Windows users should install this month's patches to mitigate the zero-day and other flaws, and Windows 10 users should upgrade or enroll in the Extended Security Updates program.
- Security experts warn kernel-mode defects are high-risk, with researchers noting past weaponization and a functional exploit exists, raising urgency for exploit developers and targeted campaigns.
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The November updates for Microsoft products have arrived.
Update Windows ASAP to Patch Another Zero-Day Vulnerability
If you're a Windows user, this is your monthly reminder to ensure you install all available security updates. Microsoft's November Patch Tuesday release fixes one zero-day vulnerability that has been actively exploited in the wild, with 63 flaws patched in total.
Microsoft Patch Tuesday addresses 63 defects, including one actively exploited zero-day
Microsoft addressed 63 vulnerabilities affecting its underlying systems and core products, including one actively exploited zero-day, the company said in its latest monthly security update. The zero-day vulnerability — CVE-2025-62215 — affects the Windows Kernel and has a CVSS rating of 7.0 due to a high attack complexity, according to Microsoft. Exploitation, which could allow an attacker to gain system privileges, requires an attacker to win …
Patch Tuesday: Microsoft fixes actively exploited Windows kernel vulnerability (CVE-2025-62215)
Microsoft has delivered a rather light load of patches for November 2025 Patch Tuesday: some 60+ vulnerabilities have received a fix, among them an actively exploited Windows Kernel flaw (CVE-2025-62215). CVE-2025-62215 CVE-2025-62215 is a memory corruption issue that stems from “concurrent execution using shared resource with improper synchronization (‘race condition’) in Windows Kernel”, which that allows local elevation of privileges (to SYST…
Windows users should quickly install the latest patches. Microsoft warns against ongoing attacks on a security corner in the kernel. (Patchday, Microsoft)
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