Microsoft has addressed CVE-2025-62215, a critical Windows Kernel vulnerability exploited to escalate privileges globally.
Vulnerability Details
CVE-2025-62215, rated as Important, involves a race condition (CWE-362) combined with a double free (CWE-415). Exploitation is complex but can result in SYSTEM privilege escalation. Proven exploitation has been detected, suggesting sophisticated attackers could disable defenses and move laterally within networks.
- Windows Kernel vulnerability: CVE-2025-62215 identified.
- Exploitation detected: High complexity race condition attack.
- Affected systems: Windows 10, 11; Windows Server.
- Patches issued: 2025-11-12; applies to all supported Windows editions.
Affected Systems and Patches
Microsoft issued security updates on 2025-11-12. Affected systems include various builds of Windows 10 and 11, as well as Windows Server editions (2019, 2022, 2025). Specific KB identifiers are provided for patch installations.
- Windows 10 (various builds) — KB5068858.
- Windows 11 22H2 — KB5068865.
- Windows 11 23H2 — KB5068862.
- Windows 11 24H2 — KB5068861.
- Windows Server 2019 — KB5068859.
- Windows Server 2022 — KB5068860.
- Windows Server 2025 — KB5068861.
Recommendations and Future Steps
Immediate patching and security monitoring are advised. Priority should be given to servers, domain controllers, and administrative workstations. Continuous vigilance is essential as targeted threats persist, but no public proof-of-concept is currently available.
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