CVE-2026-88139
HighCVSS 7.0Summary
A use after free vulnerability in the Windows Kernel allows an authorized attacker to elevate privileges locally.
Risk Assessment
A local attacker could exploit this flaw to escalate privileges at the kernel level, threatening the integrity and confidentiality of the entire system.
Recommendation
Immediately install the latest Windows security updates and restrict local access to trusted users.
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Original NVD description (English source)
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS